25131321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1979}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 13787559

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 1979, 4233, 5937, 12699, 17811, 33643, 100929, 164257, 302787, 492771, 1478313, 2792369, 8377107, 25131321]

約数ペア:

[(1, 25131321), (3, 8377107), (9, 2792369), (17, 1478313), (51, 492771), (83, 302787), (153, 164257), (249, 100929), (747, 33643), (1411, 17811), (1979, 12699), (4233, 5937)]