81340845

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{13523}}^1$

素因数の和:13932

約数の個数: 16

約数和(自身を含む): 130479552

約数和(自身を除く): 49138707

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 6015, 13523, 40569, 67615, 202845, 5422723, 16268169, 27113615, 81340845]

約数ペア:

[(1, 81340845), (3, 27113615), (5, 16268169), (15, 5422723), (401, 202845), (1203, 67615), (2005, 40569), (6015, 13523)]