1331509525

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{873121}}^1$

素因数の和:873192

約数の個数: 12

約数和(自身を含む): 1678140484

約数和(自身を除く): 346630959

約数列:

[1, 5, 25, 61, 305, 1525, 873121, 4365605, 21828025, 53260381, 266301905, 1331509525]

約数ペア:

[(1, 1331509525), (5, 266301905), (25, 53260381), (61, 21828025), (305, 4365605), (1525, 873121)]