2569725

素因数分解:

$3^7\times 5^2\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 4880640

約数和(自身を除く): 2310915

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 243, 405, 423, 675, 705, 729, 1175, 1215, 1269, 2025, 2115, 2187, 3525, 3645, 3807, 6075, 6345, 10575, 10935, 11421, 18225, 19035, 31725, 34263, 54675, 57105, 95175, 102789, 171315, 285525, 513945, 856575, 2569725]

約数ペア:

[(1, 2569725), (3, 856575), (5, 513945), (9, 285525), (15, 171315), (25, 102789), (27, 95175), (45, 57105), (47, 54675), (75, 34263), (81, 31725), (135, 19035), (141, 18225), (225, 11421), (235, 10935), (243, 10575), (405, 6345), (423, 6075), (675, 3807), (705, 3645), (729, 3525), (1175, 2187), (1215, 2115), (1269, 2025)]