81380556

素因数分解:

$2^2\times 3^2\times {\mathrm{2260571}}^1$

素因数の和:2260581

約数の個数: 18

約数和(自身を含む): 205712052

約数和(自身を除く): 124331496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2260571, 4521142, 6781713, 9042284, 13563426, 20345139, 27126852, 40690278, 81380556]

約数ペア:

[(1, 81380556), (2, 40690278), (3, 27126852), (4, 20345139), (6, 13563426), (9, 9042284), (12, 6781713), (18, 4521142), (36, 2260571)]