12987429

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 21552384

約数和(自身を除く): 8564955

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 421, 791, 1263, 1469, 2373, 2947, 4407, 5473, 8841, 10283, 16419, 30849, 38311, 47573, 114933, 142719, 333011, 618449, 999033, 1855347, 4329143, 12987429]

約数ペア:

[(1, 12987429), (3, 4329143), (7, 1855347), (13, 999033), (21, 618449), (39, 333011), (91, 142719), (113, 114933), (273, 47573), (339, 38311), (421, 30849), (791, 16419), (1263, 10283), (1469, 8841), (2373, 5473), (2947, 4407)]