259731021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{20233}}^1$

素因数の和:20636

約数の個数: 16

約数和(自身を含む): 378780480

約数和(自身を除く): 119049459

約数列:

[1, 3, 11, 33, 389, 1167, 4279, 12837, 20233, 60699, 222563, 667689, 7870637, 23611911, 86577007, 259731021]

約数ペア:

[(1, 259731021), (3, 86577007), (11, 23611911), (33, 7870637), (389, 667689), (1167, 222563), (4279, 60699), (12837, 20233)]