9920451

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 13996800

約数和(自身を除く): 4076349

約数列:

[1, 3, 19, 57, 269, 647, 807, 1941, 5111, 12293, 15333, 36879, 174043, 522129, 3306817, 9920451]

約数ペア:

[(1, 9920451), (3, 3306817), (19, 522129), (57, 174043), (269, 36879), (647, 15333), (807, 12293), (1941, 5111)]