20097153

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5279}}^1$

素因数の和:5338

約数の個数: 20

約数和(自身を含む): 30666240

約数和(自身を除く): 10569087

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5279, 15837, 47511, 142533, 248113, 427599, 744339, 2233017, 6699051, 20097153]

約数ペア:

[(1, 20097153), (3, 6699051), (9, 2233017), (27, 744339), (47, 427599), (81, 248113), (141, 142533), (423, 47511), (1269, 15837), (3807, 5279)]