83970225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 164955960

約数和(自身を除く): 80985735

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 255, 261, 425, 435, 493, 725, 757, 765, 1275, 1305, 1479, 2175, 2271, 2465, 3785, 3825, 4437, 6525, 6813, 7395, 11355, 12325, 12869, 18925, 21953, 22185, 34065, 36975, 38607, 56775, 64345, 65859, 109765, 110925, 115821, 170325, 193035, 197577, 321725, 329295, 373201, 548825, 579105, 965175, 987885, 1119603, 1646475, 1866005, 2895525, 3358809, 4939425, 5598015, 9330025, 16794045, 27990075, 83970225]

約数ペア:

[(1, 83970225), (3, 27990075), (5, 16794045), (9, 9330025), (15, 5598015), (17, 4939425), (25, 3358809), (29, 2895525), (45, 1866005), (51, 1646475), (75, 1119603), (85, 987885), (87, 965175), (145, 579105), (153, 548825), (225, 373201), (255, 329295), (261, 321725), (425, 197577), (435, 193035), (493, 170325), (725, 115821), (757, 110925), (765, 109765), (1275, 65859), (1305, 64345), (1479, 56775), (2175, 38607), (2271, 36975), (2465, 34065), (3785, 22185), (3825, 21953), (4437, 18925), (6525, 12869), (6813, 12325), (7395, 11355)]