64020675

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{5437}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 106541296

約数和(自身を除く): 42520621

約数列:

[1, 3, 5, 15, 25, 75, 157, 471, 785, 2355, 3925, 5437, 11775, 16311, 27185, 81555, 135925, 407775, 853609, 2560827, 4268045, 12804135, 21340225, 64020675]

約数ペア:

[(1, 64020675), (3, 21340225), (5, 12804135), (15, 4268045), (25, 2560827), (75, 853609), (157, 407775), (471, 135925), (785, 81555), (2355, 27185), (3925, 16311), (5437, 11775)]