2107287

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 3913728

約数和(自身を除く): 1806441

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 83, 91, 93, 117, 217, 249, 273, 279, 403, 581, 651, 747, 819, 1079, 1209, 1743, 1953, 2573, 2821, 3237, 3627, 5229, 7553, 7719, 8463, 9711, 18011, 22659, 23157, 25389, 33449, 54033, 67977, 100347, 162099, 234143, 301041, 702429, 2107287]

約数ペア:

[(1, 2107287), (3, 702429), (7, 301041), (9, 234143), (13, 162099), (21, 100347), (31, 67977), (39, 54033), (63, 33449), (83, 25389), (91, 23157), (93, 22659), (117, 18011), (217, 9711), (249, 8463), (273, 7719), (279, 7553), (403, 5229), (581, 3627), (651, 3237), (747, 2821), (819, 2573), (1079, 1953), (1209, 1743)]