864915975

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 2050618752

約数和(自身を除く): 1185702777

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 43, 45, 55, 63, 75, 77, 81, 99, 105, 129, 135, 165, 175, 189, 215, 225, 231, 243, 275, 297, 301, 315, 385, 387, 405, 473, 495, 525, 567, 645, 675, 693, 825, 891, 903, 945, 1075, 1155, 1161, 1215, 1419, 1485, 1505, 1575, 1701, 1849, 1925, 1935, 2025, 2079, 2365, 2475, 2673, 2709, 2835, 3225, 3311, 3465, 3483, 4257, 4455, 4515, 4725, 5547, 5775, 5805, 6075, 6237, 7095, 7425, 7525, 8127, 8505, 9245, 9675, 9933, 10395, 10449, 11825, 12771, 12943, 13365, 13545, 14175, 16555, 16641, 17325, 17415, 18711, 20339, 21285, 22275, 22575, 24381, 27735, 29025, 29799, 31185, 35475, 38313, 38829, 40635, 42525, 46225, 49665, 49923, 51975, 52245, 61017, 63855, 64715, 66825, 67725, 73143, 82775, 83205, 87075, 89397, 93555, 101695, 106425, 114939, 116487, 121905, 138675, 142373, 148995, 149769, 155925, 183051, 191565, 194145, 203175, 248325, 249615, 261225, 268191, 305085, 319275, 323575, 349461, 365715, 416025, 427119, 446985, 449307, 467775, 508475, 549153, 574695, 582435, 609525, 711865, 744975, 748845, 804573, 915255, 957825, 970725, 1048383, 1248075, 1281357, 1340955, 1525425, 1647459, 1747305, 1828575, 2135595, 2234925, 2246535, 2745765, 2873475, 2912175, 3145149, 3559325, 3744225, 3844071, 4022865, 4576275, 4942377, 5241915, 6406785, 6704775, 8237295, 8736525, 10677975, 11232675, 11532213, 13728825, 15725745, 19220355, 20114325, 24711885, 26209575, 32033925, 34596639, 41186475, 57661065, 78628725, 96101775, 123559425, 172983195, 288305325, 864915975]

約数ペア:

[(1, 864915975), (3, 288305325), (5, 172983195), (7, 123559425), (9, 96101775), (11, 78628725), (15, 57661065), (21, 41186475), (25, 34596639), (27, 32033925), (33, 26209575), (35, 24711885), (43, 20114325), (45, 19220355), (55, 15725745), (63, 13728825), (75, 11532213), (77, 11232675), (81, 10677975), (99, 8736525), (105, 8237295), (129, 6704775), (135, 6406785), (165, 5241915), (175, 4942377), (189, 4576275), (215, 4022865), (225, 3844071), (231, 3744225), (243, 3559325), (275, 3145149), (297, 2912175), (301, 2873475), (315, 2745765), (385, 2246535), (387, 2234925), (405, 2135595), (473, 1828575), (495, 1747305), (525, 1647459), (567, 1525425), (645, 1340955), (675, 1281357), (693, 1248075), (825, 1048383), (891, 970725), (903, 957825), (945, 915255), (1075, 804573), (1155, 748845), (1161, 744975), (1215, 711865), (1419, 609525), (1485, 582435), (1505, 574695), (1575, 549153), (1701, 508475), (1849, 467775), (1925, 449307), (1935, 446985), (2025, 427119), (2079, 416025), (2365, 365715), (2475, 349461), (2673, 323575), (2709, 319275), (2835, 305085), (3225, 268191), (3311, 261225), (3465, 249615), (3483, 248325), (4257, 203175), (4455, 194145), (4515, 191565), (4725, 183051), (5547, 155925), (5775, 149769), (5805, 148995), (6075, 142373), (6237, 138675), (7095, 121905), (7425, 116487), (7525, 114939), (8127, 106425), (8505, 101695), (9245, 93555), (9675, 89397), (9933, 87075), (10395, 83205), (10449, 82775), (11825, 73143), (12771, 67725), (12943, 66825), (13365, 64715), (13545, 63855), (14175, 61017), (16555, 52245), (16641, 51975), (17325, 49923), (17415, 49665), (18711, 46225), (20339, 42525), (21285, 40635), (22275, 38829), (22575, 38313), (24381, 35475), (27735, 31185), (29025, 29799)]