91997775

素因数分解:

$3^4\times 5^2\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:454

約数の個数: 60

約数和(自身を含む): 172035864

約数和(自身を除く): 80038089

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 181, 225, 251, 405, 543, 675, 753, 905, 1255, 1629, 2025, 2259, 2715, 3765, 4525, 4887, 6275, 6777, 8145, 11295, 13575, 14661, 18825, 20331, 24435, 33885, 40725, 45431, 56475, 73305, 101655, 122175, 136293, 169425, 227155, 366525, 408879, 508275, 681465, 1135775, 1226637, 2044395, 3407325, 3679911, 6133185, 10221975, 18399555, 30665925, 91997775]

約数ペア:

[(1, 91997775), (3, 30665925), (5, 18399555), (9, 10221975), (15, 6133185), (25, 3679911), (27, 3407325), (45, 2044395), (75, 1226637), (81, 1135775), (135, 681465), (181, 508275), (225, 408879), (251, 366525), (405, 227155), (543, 169425), (675, 136293), (753, 122175), (905, 101655), (1255, 73305), (1629, 56475), (2025, 45431), (2259, 40725), (2715, 33885), (3765, 24435), (4525, 20331), (4887, 18825), (6275, 14661), (6777, 13575), (8145, 11295)]