7810881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 12042240

約数和(自身を除く): 4231359

約数列:

[1, 3, 13, 19, 39, 57, 83, 127, 247, 249, 381, 741, 1079, 1577, 1651, 2413, 3237, 4731, 4953, 7239, 10541, 20501, 31369, 31623, 61503, 94107, 137033, 200279, 411099, 600837, 2603627, 7810881]

約数ペア:

[(1, 7810881), (3, 2603627), (13, 600837), (19, 411099), (39, 200279), (57, 137033), (83, 94107), (127, 61503), (247, 31623), (249, 31369), (381, 20501), (741, 10541), (1079, 7239), (1577, 4953), (1651, 4731), (2413, 3237)]