218635875

素因数分解:

$3^3\times 5^3\times {\mathrm{64781}}^1$

素因数の和:64805

約数の個数: 32

約数和(自身を含む): 404239680

約数和(自身を除く): 185603805

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 64781, 194343, 323905, 583029, 971715, 1619525, 1749087, 2915145, 4858575, 8097625, 8745435, 14575725, 24292875, 43727175, 72878625, 218635875]

約数ペア:

[(1, 218635875), (3, 72878625), (5, 43727175), (9, 24292875), (15, 14575725), (25, 8745435), (27, 8097625), (45, 4858575), (75, 2915145), (125, 1749087), (135, 1619525), (225, 971715), (375, 583029), (675, 323905), (1125, 194343), (3375, 64781)]