219130921

素因数分解:

${\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{7331}}^1$

素因数の和:7823

約数の個数: 8

約数和(自身を含む): 222775488

約数和(自身を除く): 3644567

約数列:

[1, 71, 421, 7331, 29891, 520501, 3086351, 219130921]

約数ペア:

[(1, 219130921), (71, 3086351), (421, 520501), (7331, 29891)]