10781991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{12101}}^1$

素因数の和:12124

約数の個数: 20

約数和(自身を含む): 17572104

約数和(自身を除く): 6790113

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 12101, 36303, 108909, 133111, 326727, 399333, 980181, 1197999, 3593997, 10781991]

約数ペア:

[(1, 10781991), (3, 3593997), (9, 1197999), (11, 980181), (27, 399333), (33, 326727), (81, 133111), (99, 108909), (297, 36303), (891, 12101)]