15390567

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1020

約数の個数: 20

約数和(自身を含む): 23112936

約数和(自身を除く): 7722369

約数列:

[1, 3, 9, 27, 81, 251, 753, 757, 2259, 2271, 6777, 6813, 20331, 20439, 61317, 190007, 570021, 1710063, 5130189, 15390567]

約数ペア:

[(1, 15390567), (3, 5130189), (9, 1710063), (27, 570021), (81, 190007), (251, 61317), (753, 20439), (757, 20331), (2259, 6813), (2271, 6777)]