28540359

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{21001}}^1$

素因数の和:21158

約数の個数: 12

約数和(自身を含む): 41499952

約数和(自身を除く): 12959593

約数列:

[1, 3, 9, 151, 453, 1359, 21001, 63003, 189009, 3171151, 9513453, 28540359]

約数ペア:

[(1, 28540359), (3, 9513453), (9, 3171151), (151, 189009), (453, 63003), (1359, 21001)]