3999519

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{1231}}^1$

素因数の和:1275

約数の個数: 18

約数和(自身を含む): 6102096

約数和(自身を除く): 2102577

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 1231, 3249, 3693, 11079, 23389, 70167, 210501, 444391, 1333173, 3999519]

約数ペア:

[(1, 3999519), (3, 1333173), (9, 444391), (19, 210501), (57, 70167), (171, 23389), (361, 11079), (1083, 3693), (1231, 3249)]