251130891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{29611}}^1$

素因数の和:29882

約数の個数: 16

約数和(自身を含む): 366715008

約数和(自身を除く): 115584117

約数列:

[1, 3, 11, 33, 257, 771, 2827, 8481, 29611, 88833, 325721, 977163, 7610027, 22830081, 83710297, 251130891]

約数ペア:

[(1, 251130891), (3, 83710297), (11, 22830081), (33, 7610027), (257, 977163), (771, 325721), (2827, 88833), (8481, 29611)]