7787475

素因数分解:

$3^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 14582400

約数和(自身を除く): 6794925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 83, 135, 139, 225, 249, 415, 417, 675, 695, 747, 1245, 1251, 2075, 2085, 2241, 3475, 3735, 3753, 6225, 6255, 10425, 11205, 11537, 18675, 18765, 31275, 34611, 56025, 57685, 93825, 103833, 173055, 288425, 311499, 519165, 865275, 1557495, 2595825, 7787475]

約数ペア:

[(1, 7787475), (3, 2595825), (5, 1557495), (9, 865275), (15, 519165), (25, 311499), (27, 288425), (45, 173055), (75, 103833), (83, 93825), (135, 57685), (139, 56025), (225, 34611), (249, 31275), (415, 18765), (417, 18675), (675, 11537), (695, 11205), (747, 10425), (1245, 6255), (1251, 6225), (2075, 3753), (2085, 3735), (2241, 3475)]