221497471

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{2687}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 253338624

約数和(自身を除く): 31841153

約数列:

[1, 13, 17, 221, 373, 2687, 4849, 6341, 34931, 45679, 82433, 593827, 1002251, 13029263, 17038267, 221497471]

約数ペア:

[(1, 221497471), (13, 17038267), (17, 13029263), (221, 1002251), (373, 593827), (2687, 82433), (4849, 45679), (6341, 34931)]