15861625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 21909888

約数和(自身を除く): 6048263

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 227, 325, 559, 1075, 1135, 1625, 2795, 2951, 5375, 5675, 9761, 13975, 14755, 28375, 48805, 69875, 73775, 126893, 244025, 368875, 634465, 1220125, 3172325, 15861625]

約数ペア:

[(1, 15861625), (5, 3172325), (13, 1220125), (25, 634465), (43, 368875), (65, 244025), (125, 126893), (215, 73775), (227, 69875), (325, 48805), (559, 28375), (1075, 14755), (1135, 13975), (1625, 9761), (2795, 5675), (2951, 5375)]