25641189

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1109}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 42481920

約数和(自身を除く): 16840731

約数列:

[1, 3, 7, 9, 21, 63, 367, 1101, 1109, 2569, 3303, 3327, 7707, 7763, 9981, 23121, 23289, 69867, 407003, 1221009, 2849021, 3663027, 8547063, 25641189]

約数ペア:

[(1, 25641189), (3, 8547063), (7, 3663027), (9, 2849021), (21, 1221009), (63, 407003), (367, 69867), (1101, 23289), (1109, 23121), (2569, 9981), (3303, 7763), (3327, 7707)]