897953721

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{137491}}^1$

素因数の和:137812

約数の個数: 16

約数和(自身を含む): 1372720128

約数和(自身を除く): 474766407

約数列:

[1, 3, 7, 21, 311, 933, 2177, 6531, 137491, 412473, 962437, 2887311, 42759701, 128279103, 299317907, 897953721]

約数ペア:

[(1, 897953721), (3, 299317907), (7, 128279103), (21, 42759701), (311, 2887311), (933, 962437), (2177, 412473), (6531, 137491)]