66840991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18119}}^1$

素因数の和:18174

約数の個数: 16

約数和(自身を含む): 83496960

約数和(自身を除く): 16655969

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 18119, 126833, 308023, 561689, 2156161, 3931823, 9548713, 66840991]

約数ペア:

[(1, 66840991), (7, 9548713), (17, 3931823), (31, 2156161), (119, 561689), (217, 308023), (527, 126833), (3689, 18119)]