724144779

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{288389}}^1$

素因数の和:288432

約数の個数: 20

約数和(自身を含む): 1116646080

約数和(自身を除く): 392501301

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 288389, 865167, 2595501, 7786503, 8940059, 23359509, 26820177, 80460531, 241381593, 724144779]

約数ペア:

[(1, 724144779), (3, 241381593), (9, 80460531), (27, 26820177), (31, 23359509), (81, 8940059), (93, 7786503), (279, 2595501), (837, 865167), (2511, 288389)]