81709875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 163992192

約数和(自身を除く): 82282317

約数列:

[1, 3, 5, 9, 13, 15, 25, 37, 39, 45, 65, 75, 111, 117, 125, 151, 185, 195, 225, 325, 333, 375, 453, 481, 555, 585, 755, 925, 975, 1125, 1359, 1443, 1625, 1665, 1963, 2265, 2405, 2775, 2925, 3775, 4329, 4625, 4875, 5587, 5889, 6795, 7215, 8325, 9815, 11325, 12025, 13875, 14625, 16761, 17667, 18875, 21645, 27935, 29445, 33975, 36075, 41625, 49075, 50283, 56625, 60125, 72631, 83805, 88335, 108225, 139675, 147225, 169875, 180375, 217893, 245375, 251415, 363155, 419025, 441675, 541125, 653679, 698375, 736125, 1089465, 1257075, 1815775, 2095125, 2208375, 3268395, 5447325, 6285375, 9078875, 16341975, 27236625, 81709875]

約数ペア:

[(1, 81709875), (3, 27236625), (5, 16341975), (9, 9078875), (13, 6285375), (15, 5447325), (25, 3268395), (37, 2208375), (39, 2095125), (45, 1815775), (65, 1257075), (75, 1089465), (111, 736125), (117, 698375), (125, 653679), (151, 541125), (185, 441675), (195, 419025), (225, 363155), (325, 251415), (333, 245375), (375, 217893), (453, 180375), (481, 169875), (555, 147225), (585, 139675), (755, 108225), (925, 88335), (975, 83805), (1125, 72631), (1359, 60125), (1443, 56625), (1625, 50283), (1665, 49075), (1963, 41625), (2265, 36075), (2405, 33975), (2775, 29445), (2925, 27935), (3775, 21645), (4329, 18875), (4625, 17667), (4875, 16761), (5587, 14625), (5889, 13875), (6795, 12025), (7215, 11325), (8325, 9815)]