13020825

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 21700000

約数和(自身を除く): 8679175

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1249, 2085, 3475, 3747, 6245, 10425, 18735, 31225, 93675, 173611, 520833, 868055, 2604165, 4340275, 13020825]

約数ペア:

[(1, 13020825), (3, 4340275), (5, 2604165), (15, 868055), (25, 520833), (75, 173611), (139, 93675), (417, 31225), (695, 18735), (1249, 10425), (2085, 6245), (3475, 3747)]