25573821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 42389760

約数和(自身を除く): 16815939

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 791, 829, 1469, 2373, 2487, 4407, 5803, 10283, 10777, 17409, 30849, 32331, 75439, 93677, 226317, 281031, 655739, 1217801, 1967217, 3653403, 8524607, 25573821]

約数ペア:

[(1, 25573821), (3, 8524607), (7, 3653403), (13, 1967217), (21, 1217801), (39, 655739), (91, 281031), (113, 226317), (273, 93677), (339, 75439), (791, 32331), (829, 30849), (1469, 17409), (2373, 10777), (2487, 10283), (4407, 5803)]