201391239

素因数分解:

$3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{20021}}^1$

素因数の和:20510

約数の個数: 16

約数和(自身を含む): 307537920

約数和(自身を除く): 106146681

約数列:

[1, 3, 7, 21, 479, 1437, 3353, 10059, 20021, 60063, 140147, 420441, 9590059, 28770177, 67130413, 201391239]

約数ペア:

[(1, 201391239), (3, 67130413), (7, 28770177), (21, 9590059), (479, 420441), (1437, 140147), (3353, 60063), (10059, 20021)]