39399621

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{3637}}^1$

素因数の和:3820

約数の個数: 16

約数和(自身を含む): 55181184

約数和(自身を除く): 15781563

約数列:

[1, 3, 23, 69, 157, 471, 3611, 3637, 10833, 10911, 83651, 250953, 571009, 1713027, 13133207, 39399621]

約数ペア:

[(1, 39399621), (3, 13133207), (23, 1713027), (69, 571009), (157, 250953), (471, 83651), (3611, 10911), (3637, 10833)]