13125438

素因数分解:

$2^1\times 3^2\times {\mathrm{729191}}^1$

素因数の和:729199

約数の個数: 12

約数和(自身を含む): 28438488

約数和(自身を除く): 15313050

約数列:

[1, 2, 3, 6, 9, 18, 729191, 1458382, 2187573, 4375146, 6562719, 13125438]

約数ペア:

[(1, 13125438), (2, 6562719), (3, 4375146), (6, 2187573), (9, 1458382), (18, 729191)]