9913897

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 11934720

約数和(自身を除く): 2020823

約数列:

[1, 7, 23, 139, 161, 443, 973, 3101, 3197, 10189, 22379, 61577, 71323, 431039, 1416271, 9913897]

約数ペア:

[(1, 9913897), (7, 1416271), (23, 431039), (139, 71323), (161, 61577), (443, 22379), (973, 10189), (3101, 3197)]