1331193927

素因数分解:

$3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{21011}}^1$

素因数の和:21459

約数の個数: 24

約数和(自身を含む): 2069597952

約数和(自身を除く): 738404025

約数列:

[1, 3, 7, 21, 49, 147, 431, 1293, 3017, 9051, 21011, 21119, 63033, 63357, 147077, 441231, 1029539, 3088617, 9055741, 27167223, 63390187, 190170561, 443731309, 1331193927]

約数ペア:

[(1, 1331193927), (3, 443731309), (7, 190170561), (21, 63390187), (49, 27167223), (147, 9055741), (431, 3088617), (1293, 1029539), (3017, 441231), (9051, 147077), (21011, 63357), (21119, 63033)]