257679927

素因数分解:

$3^3\times {\mathrm{761}}^1\times {\mathrm{12541}}^1$

素因数の和:13311

約数の個数: 16

約数和(自身を含む): 382280160

約数和(自身を除く): 124600233

約数列:

[1, 3, 9, 27, 761, 2283, 6849, 12541, 20547, 37623, 112869, 338607, 9543701, 28631103, 85893309, 257679927]

約数ペア:

[(1, 257679927), (3, 85893309), (9, 28631103), (27, 9543701), (761, 338607), (2283, 112869), (6849, 37623), (12541, 20547)]