31279851

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{4339}}^1$

素因数の和:4440

約数の個数: 20

約数和(自身を含む): 47262600

約数和(自身を除く): 15982749

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 4339, 7209, 13017, 39051, 117153, 351459, 386171, 1158513, 3475539, 10426617, 31279851]

約数ペア:

[(1, 31279851), (3, 10426617), (9, 3475539), (27, 1158513), (81, 386171), (89, 351459), (267, 117153), (801, 39051), (2403, 13017), (4339, 7209)]