311920323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 514601472

約数和(自身を除く): 202681149

約数列:

[1, 3, 11, 13, 33, 37, 39, 43, 111, 129, 143, 407, 429, 457, 473, 481, 559, 1221, 1371, 1419, 1443, 1591, 1677, 4773, 5027, 5291, 5941, 6149, 15081, 15873, 16909, 17501, 17823, 18447, 19651, 20683, 50727, 52503, 58953, 62049, 65351, 185999, 196053, 216161, 219817, 227513, 255463, 557997, 648483, 659451, 682539, 727087, 766389, 2181261, 2417987, 2810093, 7253961, 7997957, 8430279, 9452131, 23993871, 28356393, 103973441, 311920323]

約数ペア:

[(1, 311920323), (3, 103973441), (11, 28356393), (13, 23993871), (33, 9452131), (37, 8430279), (39, 7997957), (43, 7253961), (111, 2810093), (129, 2417987), (143, 2181261), (407, 766389), (429, 727087), (457, 682539), (473, 659451), (481, 648483), (559, 557997), (1221, 255463), (1371, 227513), (1419, 219817), (1443, 216161), (1591, 196053), (1677, 185999), (4773, 65351), (5027, 62049), (5291, 58953), (5941, 52503), (6149, 50727), (15081, 20683), (15873, 19651), (16909, 18447), (17501, 17823)]