520080915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47431}}^1$

素因数の和:47499

約数の個数: 32

約数和(自身を含む): 901587456

約数和(自身を除く): 381506541

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 47431, 142293, 237155, 711465, 806327, 2039533, 2418981, 4031635, 6118599, 10197665, 12094905, 30592995, 34672061, 104016183, 173360305, 520080915]

約数ペア:

[(1, 520080915), (3, 173360305), (5, 104016183), (15, 34672061), (17, 30592995), (43, 12094905), (51, 10197665), (85, 6118599), (129, 4031635), (215, 2418981), (255, 2039533), (645, 806327), (731, 711465), (2193, 237155), (3655, 142293), (10965, 47431)]