311867283

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{5981}}^1$

素因数の和:6195

約数の個数: 32

約数和(自身を含む): 514547712

約数和(自身を除く): 202680429

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 1337, 2483, 4011, 5981, 7449, 17381, 17943, 41867, 52143, 77753, 125601, 233259, 544271, 1142371, 1632813, 3427113, 7996597, 14850823, 23989791, 44552469, 103955761, 311867283]

約数ペア:

[(1, 311867283), (3, 103955761), (7, 44552469), (13, 23989791), (21, 14850823), (39, 7996597), (91, 3427113), (191, 1632813), (273, 1142371), (573, 544271), (1337, 233259), (2483, 125601), (4011, 77753), (5981, 52143), (7449, 41867), (17381, 17943)]