9903971

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{1063}}^1$

素因数の和:1103

約数の個数: 16

約数和(自身を含む): 12461568

約数和(自身を除く): 2557597

約数列:

[1, 7, 11, 77, 121, 847, 1063, 1331, 7441, 9317, 11693, 81851, 128623, 900361, 1414853, 9903971]

約数ペア:

[(1, 9903971), (7, 1414853), (11, 900361), (77, 128623), (121, 81851), (847, 11693), (1063, 9317), (1331, 7441)]