12755421

素因数分解:

$3^3\times 7^1\times {\mathrm{67489}}^1$

素因数の和:67505

約数の個数: 16

約数和(自身を含む): 21596800

約数和(自身を除く): 8841379

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 67489, 202467, 472423, 607401, 1417269, 1822203, 4251807, 12755421]

約数ペア:

[(1, 12755421), (3, 4251807), (7, 1822203), (9, 1417269), (21, 607401), (27, 472423), (63, 202467), (189, 67489)]