67911991

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{81527}}^1$

素因数の和:81558

約数の個数: 12

約数和(自身を含む): 83647728

約数和(自身を除く): 15735737

約数列:

[1, 7, 17, 49, 119, 833, 81527, 570689, 1385959, 3994823, 9701713, 67911991]

約数ペア:

[(1, 67911991), (7, 9701713), (17, 3994823), (49, 1385959), (119, 570689), (833, 81527)]