90972855

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1285

約数の個数: 64

約数和(自身を含む): 176256000

約数和(自身を除く): 85283145

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 87, 95, 135, 145, 171, 261, 285, 435, 513, 551, 783, 855, 1223, 1305, 1653, 2565, 2755, 3669, 3915, 4959, 6115, 8265, 11007, 14877, 18345, 23237, 24795, 33021, 35467, 55035, 69711, 74385, 106401, 116185, 165105, 177335, 209133, 319203, 348555, 532005, 627399, 673873, 957609, 1045665, 1596015, 2021619, 3136995, 3369365, 4788045, 6064857, 10108095, 18194571, 30324285, 90972855]

約数ペア:

[(1, 90972855), (3, 30324285), (5, 18194571), (9, 10108095), (15, 6064857), (19, 4788045), (27, 3369365), (29, 3136995), (45, 2021619), (57, 1596015), (87, 1045665), (95, 957609), (135, 673873), (145, 627399), (171, 532005), (261, 348555), (285, 319203), (435, 209133), (513, 177335), (551, 165105), (783, 116185), (855, 106401), (1223, 74385), (1305, 69711), (1653, 55035), (2565, 35467), (2755, 33021), (3669, 24795), (3915, 23237), (4959, 18345), (6115, 14877), (8265, 11007)]