257331363

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{6791}}^1$

素因数の和:7554

約数の個数: 16

約数和(自身を含む): 363833856

約数和(自身を除く): 106502493

約数列:

[1, 3, 17, 51, 743, 2229, 6791, 12631, 20373, 37893, 115447, 346341, 5045713, 15137139, 85777121, 257331363]

約数ペア:

[(1, 257331363), (3, 85777121), (17, 15137139), (51, 5045713), (743, 346341), (2229, 115447), (6791, 37893), (12631, 20373)]