81407977

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2297}}^1$

素因数の和:2448

約数の個数: 16

約数和(自身を含む): 95743872

約数和(自身を除く): 14335895

約数列:

[1, 7, 61, 83, 427, 581, 2297, 5063, 16079, 35441, 140117, 190651, 980819, 1334557, 11629711, 81407977]

約数ペア:

[(1, 81407977), (7, 11629711), (61, 1334557), (83, 980819), (427, 190651), (581, 140117), (2297, 35441), (5063, 16079)]