253291221

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{202471}}^1$

素因数の和:202616

約数の個数: 12

約数和(自身を含む): 368499040

約数和(自身を除く): 115207819

約数列:

[1, 3, 9, 139, 417, 1251, 202471, 607413, 1822239, 28143469, 84430407, 253291221]

約数ペア:

[(1, 253291221), (3, 84430407), (9, 28143469), (139, 1822239), (417, 607413), (1251, 202471)]