638546367

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1\times {\mathrm{2621}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 907988112

約数和(自身を除く): 269441745

約数列:

[1, 3, 17, 51, 281, 289, 843, 867, 2621, 4777, 7863, 14331, 44557, 81209, 133671, 243627, 736501, 757469, 2209503, 2272407, 12520517, 37561551, 212848789, 638546367]

約数ペア:

[(1, 638546367), (3, 212848789), (17, 37561551), (51, 12520517), (281, 2272407), (289, 2209503), (843, 757469), (867, 736501), (2621, 243627), (4777, 133671), (7863, 81209), (14331, 44557)]