78144081

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 105432768

約数和(自身を除く): 27288687

約数列:

[1, 3, 157, 251, 471, 661, 753, 1983, 39407, 103777, 118221, 165911, 311331, 497733, 26048027, 78144081]

約数ペア:

[(1, 78144081), (3, 26048027), (157, 497733), (251, 311331), (471, 165911), (661, 118221), (753, 103777), (1983, 39407)]