7221291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 12300288

約数和(自身を除く): 5078997

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 727, 903, 1419, 2181, 3311, 5089, 7997, 9933, 15267, 23991, 31261, 55979, 93783, 167937, 218827, 343871, 656481, 1031613, 2407097, 7221291]

約数ペア:

[(1, 7221291), (3, 2407097), (7, 1031613), (11, 656481), (21, 343871), (33, 218827), (43, 167937), (77, 93783), (129, 55979), (231, 31261), (301, 23991), (473, 15267), (727, 9933), (903, 7997), (1419, 5089), (2181, 3311)]