2011456521

素因数分解:

$3^2\times {\mathrm{251}}^1\times {\mathrm{890419}}^1$

素因数の和:890676

約数の個数: 12

約数和(自身を含む): 2917015920

約数和(自身を除く): 905559399

約数列:

[1, 3, 9, 251, 753, 2259, 890419, 2671257, 8013771, 223495169, 670485507, 2011456521]

約数ペア:

[(1, 2011456521), (3, 670485507), (9, 223495169), (251, 8013771), (753, 2671257), (2259, 890419)]