289291875

素因数分解:

$3^1\times 5^4\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 484607376

約数和(自身を除く): 195315501

約数列:

[1, 3, 5, 15, 25, 75, 125, 277, 375, 557, 625, 831, 1385, 1671, 1875, 2785, 4155, 6925, 8355, 13925, 20775, 34625, 41775, 69625, 103875, 154289, 173125, 208875, 348125, 462867, 519375, 771445, 1044375, 2314335, 3857225, 11571675, 19286125, 57858375, 96430625, 289291875]

約数ペア:

[(1, 289291875), (3, 96430625), (5, 57858375), (15, 19286125), (25, 11571675), (75, 3857225), (125, 2314335), (277, 1044375), (375, 771445), (557, 519375), (625, 462867), (831, 348125), (1385, 208875), (1671, 173125), (1875, 154289), (2785, 103875), (4155, 69625), (6925, 41775), (8355, 34625), (13925, 20775)]