7800261

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 12366720

約数和(自身を除く): 4566459

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 1129, 2303, 3387, 6909, 7903, 23709, 53063, 55321, 159189, 165963, 371441, 1114323, 2600087, 7800261]

約数ペア:

[(1, 7800261), (3, 2600087), (7, 1114323), (21, 371441), (47, 165963), (49, 159189), (141, 55321), (147, 53063), (329, 23709), (987, 7903), (1129, 6909), (2303, 3387)]