981661681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{75437}}^1$

素因数の和:75481

約数の個数: 24

約数和(自身を含む): 1325294784

約数和(自身を除く): 343633103

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 13013, 75437, 528059, 829807, 980681, 5808649, 6864767, 10787491, 12748853, 75512437, 89241971, 140237383, 981661681]

約数ペア:

[(1, 981661681), (7, 140237383), (11, 89241971), (13, 75512437), (77, 12748853), (91, 10787491), (143, 6864767), (169, 5808649), (1001, 980681), (1183, 829807), (1859, 528059), (13013, 75437)]