2605869

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 4623840

約数和(自身を除く): 2017971

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 311, 399, 441, 931, 933, 1197, 2177, 2793, 2799, 5909, 6531, 8379, 15239, 17727, 19593, 41363, 45717, 53181, 124089, 137151, 289541, 372267, 868623, 2605869]

約数ペア:

[(1, 2605869), (3, 868623), (7, 372267), (9, 289541), (19, 137151), (21, 124089), (49, 53181), (57, 45717), (63, 41363), (133, 19593), (147, 17727), (171, 15239), (311, 8379), (399, 6531), (441, 5909), (931, 2799), (933, 2793), (1197, 2177)]