12518961

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6551}}^1$

素因数の和:6581

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 8395023

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 6551, 19653, 45857, 85163, 137571, 255489, 320999, 596141, 962997, 1788423, 4172987, 12518961]

約数ペア:

[(1, 12518961), (3, 4172987), (7, 1788423), (13, 962997), (21, 596141), (39, 320999), (49, 255489), (91, 137571), (147, 85163), (273, 45857), (637, 19653), (1911, 6551)]