221641575

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{19571}}^1$

素因数の和:19735

約数の個数: 24

約数和(自身を含む): 368893056

約数和(自身を除く): 147251481

約数列:

[1, 3, 5, 15, 25, 75, 151, 453, 755, 2265, 3775, 11325, 19571, 58713, 97855, 293565, 489275, 1467825, 2955221, 8865663, 14776105, 44328315, 73880525, 221641575]

約数ペア:

[(1, 221641575), (3, 73880525), (5, 44328315), (15, 14776105), (25, 8865663), (75, 2955221), (151, 1467825), (453, 489275), (755, 293565), (2265, 97855), (3775, 58713), (11325, 19571)]