12391947

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{2593}}^1$

素因数の和:2664

約数の個数: 20

約数和(自身を含む): 18832440

約数和(自身を除く): 6440493

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 2593, 4779, 7779, 23337, 70011, 152987, 210033, 458961, 1376883, 4130649, 12391947]

約数ペア:

[(1, 12391947), (3, 4130649), (9, 1376883), (27, 458961), (59, 210033), (81, 152987), (177, 70011), (531, 23337), (1593, 7779), (2593, 4779)]