25642701

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2971}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 42654144

約数和(自身を除く): 17011443

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 2971, 8631, 8913, 20797, 26739, 62391, 187173, 407027, 1221081, 2849189, 3663243, 8547567, 25642701]

約数ペア:

[(1, 25642701), (3, 8547567), (7, 3663243), (9, 2849189), (21, 1221081), (63, 407027), (137, 187173), (411, 62391), (959, 26739), (1233, 20797), (2877, 8913), (2971, 8631)]