199045287

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{10159}}^1$

素因数の和:10483

約数の個数: 24

約数和(自身を含む): 329671680

約数和(自身を除く): 130626393

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 2177, 2799, 6531, 10159, 19593, 30477, 71113, 91431, 213339, 640017, 3159449, 9478347, 22116143, 28435041, 66348429, 199045287]

約数ペア:

[(1, 199045287), (3, 66348429), (7, 28435041), (9, 22116143), (21, 9478347), (63, 3159449), (311, 640017), (933, 213339), (2177, 91431), (2799, 71113), (6531, 30477), (10159, 19593)]