64001325

素因数分解:

$3^1\times 5^2\times {\mathrm{661}}^1\times {\mathrm{1291}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 106057696

約数和(自身を除く): 42056371

約数列:

[1, 3, 5, 15, 25, 75, 661, 1291, 1983, 3305, 3873, 6455, 9915, 16525, 19365, 32275, 49575, 96825, 853351, 2560053, 4266755, 12800265, 21333775, 64001325]

約数ペア:

[(1, 64001325), (3, 21333775), (5, 12800265), (15, 4266755), (25, 2560053), (75, 853351), (661, 96825), (1291, 49575), (1983, 32275), (3305, 19365), (3873, 16525), (6455, 9915)]