199388631

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{967}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 304432128

約数和(自身を除く): 105043497

約数列:

[1, 3, 13, 17, 39, 51, 221, 311, 663, 933, 967, 2901, 4043, 5287, 12129, 12571, 15861, 16439, 37713, 49317, 68731, 206193, 213707, 300737, 641121, 902211, 3909581, 5112529, 11728743, 15337587, 66462877, 199388631]

約数ペア:

[(1, 199388631), (3, 66462877), (13, 15337587), (17, 11728743), (39, 5112529), (51, 3909581), (221, 902211), (311, 641121), (663, 300737), (933, 213707), (967, 206193), (2901, 68731), (4043, 49317), (5287, 37713), (12129, 16439), (12571, 15861)]