27908905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 34650000

約数和(自身を除く): 6741095

約数列:

[1, 5, 41, 109, 205, 545, 1249, 4469, 6245, 22345, 51209, 136141, 256045, 680705, 5581781, 27908905]

約数ペア:

[(1, 27908905), (5, 5581781), (41, 680705), (109, 256045), (205, 136141), (545, 51209), (1249, 22345), (4469, 6245)]