16780309

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10847}}^1$

素因数の和:10884

約数の個数: 16

約数和(自身を含む): 21869568

約数和(自身を除く): 5089259

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 10847, 75929, 141011, 184399, 987077, 1290793, 2397187, 16780309]

約数ペア:

[(1, 16780309), (7, 2397187), (13, 1290793), (17, 987077), (91, 184399), (119, 141011), (221, 75929), (1547, 10847)]