520013319

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{5591}}^1$

素因数の和:5747

約数の個数: 32

約数和(自身を含む): 818847744

約数和(自身を除く): 298834425

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 721, 903, 2163, 4429, 5591, 13287, 16773, 31003, 39137, 93009, 117411, 240413, 575873, 721239, 1682891, 1727619, 4031111, 5048673, 12093333, 24762539, 74287617, 173337773, 520013319]

約数ペア:

[(1, 520013319), (3, 173337773), (7, 74287617), (21, 24762539), (43, 12093333), (103, 5048673), (129, 4031111), (301, 1727619), (309, 1682891), (721, 721239), (903, 575873), (2163, 240413), (4429, 117411), (5591, 93009), (13287, 39137), (16773, 31003)]