64478625

素因数分解:

$3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 108151680

約数和(自身を除く): 43673055

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 375, 417, 695, 1237, 2085, 3475, 3711, 6185, 10425, 17375, 18555, 30925, 52125, 92775, 154625, 171943, 463875, 515829, 859715, 2579145, 4298575, 12895725, 21492875, 64478625]

約数ペア:

[(1, 64478625), (3, 21492875), (5, 12895725), (15, 4298575), (25, 2579145), (75, 859715), (125, 515829), (139, 463875), (375, 171943), (417, 154625), (695, 92775), (1237, 52125), (2085, 30925), (3475, 18555), (3711, 17375), (6185, 10425)]