12761991

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{11719}}^1$

素因数の和:11747

約数の個数: 18

約数和(自身を含む): 20263880

約数和(自身を除く): 7501889

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 11719, 35157, 105471, 128909, 386727, 1160181, 1417999, 4253997, 12761991]

約数ペア:

[(1, 12761991), (3, 4253997), (9, 1417999), (11, 1160181), (33, 386727), (99, 128909), (121, 105471), (363, 35157), (1089, 11719)]