2688778881

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{626317}}^1$

素因数の和:626382

約数の個数: 20

約数和(自身を含む): 4092361812

約数和(自身を除く): 1403582931

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 626317, 1878951, 5636853, 16910559, 33194801, 50731677, 99584403, 298753209, 896259627, 2688778881]

約数ペア:

[(1, 2688778881), (3, 896259627), (9, 298753209), (27, 99584403), (53, 50731677), (81, 33194801), (159, 16910559), (477, 5636853), (1431, 1878951), (4293, 626317)]