12513891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6827}}^1$

素因数の和:6890

約数の個数: 16

約数和(自身を含む): 18353664

約数和(自身を除く): 5839773

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 6827, 20481, 88751, 266253, 320869, 962607, 4171297, 12513891]

約数ペア:

[(1, 12513891), (3, 4171297), (13, 962607), (39, 320869), (47, 266253), (141, 88751), (611, 20481), (1833, 6827)]