18715311

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 28143024

約数和(自身を除く): 9427713

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 757, 2271, 2747, 6813, 8241, 24723, 31037, 50719, 93111, 152157, 279333, 456471, 2079479, 6238437, 18715311]

約数ペア:

[(1, 18715311), (3, 6238437), (9, 2079479), (41, 456471), (67, 279333), (123, 152157), (201, 93111), (369, 50719), (603, 31037), (757, 24723), (2271, 8241), (2747, 6813)]