221453169

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{620317}}^1$

素因数の和:620344

約数の個数: 16

約数和(自身を含む): 357303168

約数和(自身を除く): 135849999

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 620317, 1860951, 4342219, 10545389, 13026657, 31636167, 73817723, 221453169]

約数ペア:

[(1, 221453169), (3, 73817723), (7, 31636167), (17, 13026657), (21, 10545389), (51, 4342219), (119, 1860951), (357, 620317)]