25004709

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 37065600

約数和(自身を除く): 12060891

約数列:

[1, 3, 9, 71, 109, 213, 327, 359, 639, 981, 1077, 3231, 7739, 23217, 25489, 39131, 69651, 76467, 117393, 229401, 352179, 2778301, 8334903, 25004709]

約数ペア:

[(1, 25004709), (3, 8334903), (9, 2778301), (71, 352179), (109, 229401), (213, 117393), (327, 76467), (359, 69651), (639, 39131), (981, 25489), (1077, 23217), (3231, 7739)]