31286331

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:761

約数の個数: 40

約数和(自身を含む): 50965200

約数和(自身を除く): 19678869

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 701, 783, 1539, 1653, 2103, 2349, 4959, 6309, 13319, 14877, 18927, 20329, 39957, 44631, 56781, 60987, 119871, 182961, 359613, 386251, 548883, 1078839, 1158753, 1646649, 3476259, 10428777, 31286331]

約数ペア:

[(1, 31286331), (3, 10428777), (9, 3476259), (19, 1646649), (27, 1158753), (29, 1078839), (57, 548883), (81, 386251), (87, 359613), (171, 182961), (261, 119871), (513, 60987), (551, 56781), (701, 44631), (783, 39957), (1539, 20329), (1653, 18927), (2103, 14877), (2349, 13319), (4959, 6309)]