7889211

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 12925440

約数和(自身を除く): 5036229

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 263, 297, 303, 789, 909, 1111, 2367, 2727, 2893, 3333, 7101, 8679, 9999, 26037, 26563, 29997, 78111, 79689, 239067, 292193, 717201, 876579, 2629737, 7889211]

約数ペア:

[(1, 7889211), (3, 2629737), (9, 876579), (11, 717201), (27, 292193), (33, 239067), (99, 79689), (101, 78111), (263, 29997), (297, 26563), (303, 26037), (789, 9999), (909, 8679), (1111, 7101), (2367, 3333), (2727, 2893)]