12719421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9883}}^1$

素因数の和:9913

約数の個数: 24

約数和(自身を含む): 21586656

約数和(自身を除く): 8867235

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 9883, 29649, 88947, 108713, 128479, 326139, 385437, 978417, 1156311, 1413269, 4239807, 12719421]

約数ペア:

[(1, 12719421), (3, 4239807), (9, 1413269), (11, 1156311), (13, 978417), (33, 385437), (39, 326139), (99, 128479), (117, 108713), (143, 88947), (429, 29649), (1287, 9883)]