28160055

素因数分解:

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

素因数の和:88

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 37569609

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 43, 45, 49, 55, 63, 77, 81, 99, 105, 129, 135, 147, 165, 189, 215, 231, 243, 245, 297, 301, 315, 385, 387, 405, 441, 473, 495, 539, 567, 645, 693, 735, 891, 903, 945, 1155, 1161, 1215, 1323, 1419, 1485, 1505, 1617, 1701, 1935, 2079, 2107, 2205, 2365, 2673, 2695, 2709, 2835, 3311, 3465, 3483, 3969, 4257, 4455, 4515, 4851, 5805, 6237, 6321, 6615, 7095, 8085, 8127, 8505, 9933, 10395, 10449, 10535, 11907, 12771, 13365, 13545, 14553, 16555, 17415, 18711, 18963, 19845, 21285, 23177, 24255, 24381, 29799, 31185, 31605, 38313, 40635, 43659, 49665, 52245, 56889, 59535, 63855, 69531, 72765, 73143, 89397, 93555, 94815, 114939, 115885, 121905, 130977, 148995, 170667, 191565, 208593, 218295, 268191, 284445, 347655, 365715, 446985, 512001, 574695, 625779, 654885, 804573, 853335, 1042965, 1340955, 1877337, 2560005, 3128895, 4022865, 5632011, 9386685, 28160055]

約数ペア:

[(1, 28160055), (3, 9386685), (5, 5632011), (7, 4022865), (9, 3128895), (11, 2560005), (15, 1877337), (21, 1340955), (27, 1042965), (33, 853335), (35, 804573), (43, 654885), (45, 625779), (49, 574695), (55, 512001), (63, 446985), (77, 365715), (81, 347655), (99, 284445), (105, 268191), (129, 218295), (135, 208593), (147, 191565), (165, 170667), (189, 148995), (215, 130977), (231, 121905), (243, 115885), (245, 114939), (297, 94815), (301, 93555), (315, 89397), (385, 73143), (387, 72765), (405, 69531), (441, 63855), (473, 59535), (495, 56889), (539, 52245), (567, 49665), (645, 43659), (693, 40635), (735, 38313), (891, 31605), (903, 31185), (945, 29799), (1155, 24381), (1161, 24255), (1215, 23177), (1323, 21285), (1419, 19845), (1485, 18963), (1505, 18711), (1617, 17415), (1701, 16555), (1935, 14553), (2079, 13545), (2107, 13365), (2205, 12771), (2365, 11907), (2673, 10535), (2695, 10449), (2709, 10395), (2835, 9933), (3311, 8505), (3465, 8127), (3483, 8085), (3969, 7095), (4257, 6615), (4455, 6321), (4515, 6237), (4851, 5805)]