123456195

素因数分解:

$3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2719}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 214281600

約数和(自身を除く): 90825405

約数列:

[1, 3, 5, 9, 15, 45, 1009, 2719, 3027, 5045, 8157, 9081, 13595, 15135, 24471, 40785, 45405, 122355, 2743471, 8230413, 13717355, 24691239, 41152065, 123456195]

約数ペア:

[(1, 123456195), (3, 41152065), (5, 24691239), (9, 13717355), (15, 8230413), (45, 2743471), (1009, 122355), (2719, 45405), (3027, 40785), (5045, 24471), (8157, 15135), (9081, 13595)]