65156721

素因数分解:

$3^1\times 7^2\times {\mathrm{443243}}^1$

素因数の和:443260

約数の個数: 12

約数和(自身を含む): 101059632

約数和(自身を除く): 35902911

約数列:

[1, 3, 7, 21, 49, 147, 443243, 1329729, 3102701, 9308103, 21718907, 65156721]

約数ペア:

[(1, 65156721), (3, 21718907), (7, 9308103), (21, 3102701), (49, 1329729), (147, 443243)]