54721875

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 98431200

約数和(自身を除く): 43709325

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 449, 625, 975, 1347, 1625, 1875, 2245, 3125, 4875, 5837, 6735, 8125, 9375, 11225, 17511, 24375, 29185, 33675, 40625, 56125, 87555, 121875, 145925, 168375, 280625, 437775, 729625, 841875, 1403125, 2188875, 3648125, 4209375, 10944375, 18240625, 54721875]

約数ペア:

[(1, 54721875), (3, 18240625), (5, 10944375), (13, 4209375), (15, 3648125), (25, 2188875), (39, 1403125), (65, 841875), (75, 729625), (125, 437775), (195, 280625), (325, 168375), (375, 145925), (449, 121875), (625, 87555), (975, 56125), (1347, 40625), (1625, 33675), (1875, 29185), (2245, 24375), (3125, 17511), (4875, 11225), (5837, 9375), (6735, 8125)]