77620875

素因数分解:

$3^1\times 5^3\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 129729600

約数和(自身を除く): 52108725

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 449, 461, 1347, 1383, 2245, 2305, 6735, 6915, 11225, 11525, 33675, 34575, 56125, 57625, 168375, 172875, 206989, 620967, 1034945, 3104835, 5174725, 15524175, 25873625, 77620875]

約数ペア:

[(1, 77620875), (3, 25873625), (5, 15524175), (15, 5174725), (25, 3104835), (75, 1034945), (125, 620967), (375, 206989), (449, 172875), (461, 168375), (1347, 57625), (1383, 56125), (2245, 34575), (2305, 33675), (6735, 11525), (6915, 11225)]