940779

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 1578720

約数和(自身を除く): 637941

約数列:

[1, 3, 7, 9, 21, 63, 109, 137, 327, 411, 763, 959, 981, 1233, 2289, 2877, 6867, 8631, 14933, 44799, 104531, 134397, 313593, 940779]

約数ペア:

[(1, 940779), (3, 313593), (7, 134397), (9, 104531), (21, 44799), (63, 14933), (109, 8631), (137, 6867), (327, 2877), (411, 2289), (763, 1233), (959, 981)]