81858345

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{133103}}^1$

素因数の和:133152

約数の個数: 16

約数和(自身を含む): 134168832

約数和(自身を除く): 52310487

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 133103, 399309, 665515, 1996545, 5457223, 16371669, 27286115, 81858345]

約数ペア:

[(1, 81858345), (3, 27286115), (5, 16371669), (15, 5457223), (41, 1996545), (123, 665515), (205, 399309), (615, 133103)]