3990147

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 6112512

約数和(自身を除く): 2122365

約数列:

[1, 3, 7, 21, 251, 753, 757, 1757, 2271, 5271, 5299, 15897, 190007, 570021, 1330049, 3990147]

約数ペア:

[(1, 3990147), (3, 1330049), (7, 570021), (21, 190007), (251, 15897), (753, 5299), (757, 5271), (1757, 2271)]