131407521

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{70309}}^1$

素因数の和:70408

約数の個数: 16

約数和(自身を含む): 202492800

約数和(自身を除く): 71085279

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 70309, 210927, 492163, 1476489, 6257501, 18772503, 43802507, 131407521]

約数ペア:

[(1, 131407521), (3, 43802507), (7, 18772503), (21, 6257501), (89, 1476489), (267, 492163), (623, 210927), (1869, 70309)]