128193723

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14639}}^1$

素因数の和:14791

約数の個数: 24

約数和(自身を含む): 213158400

約数和(自身を除く): 84964677

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 14639, 43917, 102473, 131751, 307419, 922257, 2034821, 6104463, 14243747, 18313389, 42731241, 128193723]

約数ペア:

[(1, 128193723), (3, 42731241), (7, 18313389), (9, 14243747), (21, 6104463), (63, 2034821), (139, 922257), (417, 307419), (973, 131751), (1251, 102473), (2919, 43917), (8757, 14639)]