1285766865

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 2523247848

約数和(自身を除く): 1237480983

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 81, 85, 101, 129, 135, 153, 215, 255, 303, 387, 405, 459, 505, 645, 731, 765, 909, 1161, 1377, 1515, 1717, 1849, 1935, 2193, 2295, 2727, 3483, 3655, 4343, 4545, 5151, 5547, 5805, 6579, 6885, 8181, 8585, 9245, 10965, 13029, 13635, 15453, 16641, 17415, 19737, 21715, 25755, 27735, 31433, 32895, 39087, 40905, 46359, 49923, 59211, 65145, 73831, 77265, 83205, 94299, 98685, 117261, 139077, 149769, 157165, 186749, 195435, 221493, 231795, 249615, 282897, 296055, 351783, 369155, 471495, 560247, 586305, 664479, 695385, 748845, 848691, 933745, 1107465, 1414485, 1680741, 1758915, 1993437, 2546073, 2801235, 3174733, 3322395, 4243455, 5042223, 5980311, 8403705, 9524199, 9967185, 12730365, 15126669, 15873665, 25211115, 28572597, 29901555, 47620995, 75633345, 85717791, 142862985, 257153373, 428588955, 1285766865]

約数ペア:

[(1, 1285766865), (3, 428588955), (5, 257153373), (9, 142862985), (15, 85717791), (17, 75633345), (27, 47620995), (43, 29901555), (45, 28572597), (51, 25211115), (81, 15873665), (85, 15126669), (101, 12730365), (129, 9967185), (135, 9524199), (153, 8403705), (215, 5980311), (255, 5042223), (303, 4243455), (387, 3322395), (405, 3174733), (459, 2801235), (505, 2546073), (645, 1993437), (731, 1758915), (765, 1680741), (909, 1414485), (1161, 1107465), (1377, 933745), (1515, 848691), (1717, 748845), (1849, 695385), (1935, 664479), (2193, 586305), (2295, 560247), (2727, 471495), (3483, 369155), (3655, 351783), (4343, 296055), (4545, 282897), (5151, 249615), (5547, 231795), (5805, 221493), (6579, 195435), (6885, 186749), (8181, 157165), (8585, 149769), (9245, 139077), (10965, 117261), (13029, 98685), (13635, 94299), (15453, 83205), (16641, 77265), (17415, 73831), (19737, 65145), (21715, 59211), (25755, 49923), (27735, 46359), (31433, 40905), (32895, 39087)]