25390953

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13001}}^1$

素因数の和:13045

約数の個数: 24

約数和(自身を含む): 43270656

約数和(自身を除く): 17879703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 13001, 39003, 91007, 117009, 273021, 403031, 819063, 1209093, 2821217, 3627279, 8463651, 25390953]

約数ペア:

[(1, 25390953), (3, 8463651), (7, 3627279), (9, 2821217), (21, 1209093), (31, 819063), (63, 403031), (93, 273021), (217, 117009), (279, 91007), (651, 39003), (1953, 13001)]