201320217

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{6353}}^1$

素因数の和:6869

約数の個数: 24

約数和(自身を含む): 333051264

約数和(自身を除く): 131731047

約数列:

[1, 3, 7, 9, 21, 63, 503, 1509, 3521, 4527, 6353, 10563, 19059, 31689, 44471, 57177, 133413, 400239, 3195559, 9586677, 22368913, 28760031, 67106739, 201320217]

約数ペア:

[(1, 201320217), (3, 67106739), (7, 28760031), (9, 22368913), (21, 9586677), (63, 3195559), (503, 400239), (1509, 133413), (3521, 57177), (4527, 44471), (6353, 31689), (10563, 19059)]