85408875

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 161104320

約数和(自身を除く): 75695445

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 79, 93, 125, 155, 225, 237, 279, 375, 395, 465, 711, 775, 961, 1125, 1185, 1395, 1975, 2325, 2449, 2883, 3555, 3875, 4805, 5925, 6975, 7347, 8649, 9875, 11625, 12245, 14415, 17775, 22041, 24025, 29625, 34875, 36735, 43245, 61225, 72075, 75919, 88875, 110205, 120125, 183675, 216225, 227757, 306125, 360375, 379595, 551025, 683271, 918375, 1081125, 1138785, 1897975, 2755125, 3416355, 5693925, 9489875, 17081775, 28469625, 85408875]

約数ペア:

[(1, 85408875), (3, 28469625), (5, 17081775), (9, 9489875), (15, 5693925), (25, 3416355), (31, 2755125), (45, 1897975), (75, 1138785), (79, 1081125), (93, 918375), (125, 683271), (155, 551025), (225, 379595), (237, 360375), (279, 306125), (375, 227757), (395, 216225), (465, 183675), (711, 120125), (775, 110205), (961, 88875), (1125, 75919), (1185, 72075), (1395, 61225), (1975, 43245), (2325, 36735), (2449, 34875), (2883, 29625), (3555, 24025), (3875, 22041), (4805, 17775), (5925, 14415), (6975, 12245), (7347, 11625), (8649, 9875)]