199978133061

素因数分解:

$3^1\times 7^3\times {\mathrm{1889}}^1\times {\mathrm{102881}}^1$

素因数の和:104794

約数の個数: 32

約数和(自身を含む): 311115168000

約数和(自身を除く): 111137034939

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1889, 5667, 13223, 39669, 92561, 102881, 277683, 308643, 647927, 720167, 1943781, 2160501, 5041169, 15123507, 35288183, 105864549, 194342209, 583026627, 1360395463, 4081186389, 9522768241, 28568304723, 66659377687, 199978133061]

約数ペア:

[(1, 199978133061), (3, 66659377687), (7, 28568304723), (21, 9522768241), (49, 4081186389), (147, 1360395463), (343, 583026627), (1029, 194342209), (1889, 105864549), (5667, 35288183), (13223, 15123507), (39669, 5041169), (92561, 2160501), (102881, 1943781), (277683, 720167), (308643, 647927)]