80960391

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43457}}^1$

素因数の和:43492

約数の個数: 20

約数和(自身を含む): 126202032

約数和(自身を除く): 45241641

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 43457, 130371, 391113, 999511, 1173339, 2998533, 3520017, 8995599, 26986797, 80960391]

約数ペア:

[(1, 80960391), (3, 26986797), (9, 8995599), (23, 3520017), (27, 2998533), (69, 1173339), (81, 999511), (207, 391113), (621, 130371), (1863, 43457)]