12393891

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2952

約数の個数: 20

約数和(自身を含む): 18870192

約数和(自身を除く): 6476301

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 2887, 4293, 8661, 25983, 77949, 153011, 233847, 459033, 1377099, 4131297, 12393891]

約数ペア:

[(1, 12393891), (3, 4131297), (9, 1377099), (27, 459033), (53, 233847), (81, 153011), (159, 77949), (477, 25983), (1431, 8661), (2887, 4293)]