20215209

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26017}}^1$

素因数の和:26064

約数の個数: 16

約数和(自身を含む): 31637888

約数和(自身を除く): 11422679

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26017, 78051, 182119, 546357, 962629, 2887887, 6738403, 20215209]

約数ペア:

[(1, 20215209), (3, 6738403), (7, 2887887), (21, 962629), (37, 546357), (111, 182119), (259, 78051), (777, 26017)]