207817497

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{17117}}^1$

素因数の和:17213

約数の個数: 24

約数和(自身を含む): 320448960

約数和(自身を除く): 112631463

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 17117, 51351, 154053, 325223, 975669, 1215307, 2927007, 3645921, 10937763, 23090833, 69272499, 207817497]

約数ペア:

[(1, 207817497), (3, 69272499), (9, 23090833), (19, 10937763), (57, 3645921), (71, 2927007), (171, 1215307), (213, 975669), (639, 325223), (1349, 154053), (4047, 51351), (12141, 17117)]