221450721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{42157}}^1$

素因数の和:42280

約数の個数: 16

約数和(自身を含む): 315679104

約数和(自身を除く): 94228383

約数列:

[1, 3, 17, 51, 103, 309, 1751, 5253, 42157, 126471, 716669, 2150007, 4342171, 13026513, 73816907, 221450721]

約数ペア:

[(1, 221450721), (3, 73816907), (17, 13026513), (51, 4342171), (103, 2150007), (309, 716669), (1751, 126471), (5253, 42157)]