31680153

素因数分解:

$3^6\times {\mathrm{43457}}^1$

素因数の和:43475

約数の個数: 14

約数和(自身を含む): 47499594

約数和(自身を除く): 15819441

約数列:

[1, 3, 9, 27, 81, 243, 729, 43457, 130371, 391113, 1173339, 3520017, 10560051, 31680153]

約数ペア:

[(1, 31680153), (3, 10560051), (9, 3520017), (27, 1173339), (81, 391113), (243, 130371), (729, 43457)]