206728515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7907}}^1$

素因数の和:8008

約数の個数: 48

約数和(自身を含む): 414505728

約数和(自身を除く): 207777213

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 249, 315, 415, 581, 747, 1245, 1743, 2905, 3735, 5229, 7907, 8715, 23721, 26145, 39535, 55349, 71163, 118605, 166047, 276745, 355815, 498141, 656281, 830235, 1968843, 2490705, 3281405, 4593967, 5906529, 9844215, 13781901, 22969835, 29532645, 41345703, 68909505, 206728515]

約数ペア:

[(1, 206728515), (3, 68909505), (5, 41345703), (7, 29532645), (9, 22969835), (15, 13781901), (21, 9844215), (35, 5906529), (45, 4593967), (63, 3281405), (83, 2490705), (105, 1968843), (249, 830235), (315, 656281), (415, 498141), (581, 355815), (747, 276745), (1245, 166047), (1743, 118605), (2905, 71163), (3735, 55349), (5229, 39535), (7907, 26145), (8715, 23721)]