81396045

素因数分解:

$3^2\times 5^1\times {\mathrm{1808801}}^1$

素因数の和:1808812

約数の個数: 12

約数和(自身を含む): 141086556

約数和(自身を除く): 59690511

約数列:

[1, 3, 5, 9, 15, 45, 1808801, 5426403, 9044005, 16279209, 27132015, 81396045]

約数ペア:

[(1, 81396045), (3, 27132015), (5, 16279209), (9, 9044005), (15, 5426403), (45, 1808801)]