25918479

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 38817792

約数和(自身を除く): 12899313

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 863, 2589, 3337, 7767, 10011, 30033, 40561, 61273, 121683, 183819, 365049, 551457, 2879831, 8639493, 25918479]

約数ペア:

[(1, 25918479), (3, 8639493), (9, 2879831), (47, 551457), (71, 365049), (141, 183819), (213, 121683), (423, 61273), (639, 40561), (863, 30033), (2589, 10011), (3337, 7767)]