25553997

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9433}}^1$

素因数の和:9489

約数の個数: 24

約数和(自身を含む): 43169984

約数和(自身を除く): 17615987

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 9433, 28299, 66031, 84897, 198093, 405619, 594279, 1216857, 2839333, 3650571, 8517999, 25553997]

約数ペア:

[(1, 25553997), (3, 8517999), (7, 3650571), (9, 2839333), (21, 1216857), (43, 594279), (63, 405619), (129, 198093), (301, 84897), (387, 66031), (903, 28299), (2709, 9433)]