81112731

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{43399}}^1$

素因数の和:43498

約数の個数: 16

約数和(自身を含む): 124992000

約数和(自身を除く): 43879269

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 43399, 130197, 303793, 911379, 3862511, 11587533, 27037577, 81112731]

約数ペア:

[(1, 81112731), (3, 27037577), (7, 11587533), (21, 3862511), (89, 911379), (267, 303793), (623, 130197), (1869, 43399)]