201399359

素因数分解:

$7^2\times {\mathrm{107}}^2\times {\mathrm{359}}^1$

素因数の和:587

約数の個数: 18

約数和(自身を含む): 237149640

約数和(自身を除く): 35750281

約数列:

[1, 7, 49, 107, 359, 749, 2513, 5243, 11449, 17591, 38413, 80143, 268891, 561001, 1882237, 4110191, 28771337, 201399359]

約数ペア:

[(1, 201399359), (7, 28771337), (49, 4110191), (107, 1882237), (359, 561001), (749, 268891), (2513, 80143), (5243, 38413), (11449, 17591)]