51551969

素因数分解:

$7^2\times {\mathrm{43}}^2\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 18

約数和(自身を含む): 61503570

約数和(自身を除く): 9951601

約数列:

[1, 7, 43, 49, 301, 569, 1849, 2107, 3983, 12943, 24467, 27881, 90601, 171269, 1052081, 1198883, 7364567, 51551969]

約数ペア:

[(1, 51551969), (7, 7364567), (43, 1198883), (49, 1052081), (301, 171269), (569, 90601), (1849, 27881), (2107, 24467), (3983, 12943)]