201813017

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 246163392

約数和(自身を除く): 44350375

約数列:

[1, 7, 23, 49, 161, 331, 541, 1127, 2317, 3787, 7613, 12443, 16219, 26509, 53291, 87101, 179071, 373037, 609707, 1253497, 4118633, 8774479, 28830431, 201813017]

約数ペア:

[(1, 201813017), (7, 28830431), (23, 8774479), (49, 4118633), (161, 1253497), (331, 609707), (541, 373037), (1127, 179071), (2317, 87101), (3787, 53291), (7613, 26509), (12443, 16219)]