2578167081

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{375443}}^1$

素因数の和:375565

約数の個数: 24

約数和(自身を含む): 4295079360

約数和(自身を除く): 1716912279

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 375443, 1126329, 2628101, 3378987, 7884303, 23652909, 40923287, 122769861, 286463009, 368309583, 859389027, 2578167081]

約数ペア:

[(1, 2578167081), (3, 859389027), (7, 368309583), (9, 286463009), (21, 122769861), (63, 40923287), (109, 23652909), (327, 7884303), (763, 3378987), (981, 2628101), (2289, 1126329), (6867, 375443)]