9980217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 15639624

約数和(自身を除く): 5659407

約数列:

[1, 3, 9, 13, 39, 117, 197, 433, 591, 1299, 1773, 2561, 3897, 5629, 7683, 16887, 23049, 50661, 85301, 255903, 767709, 1108913, 3326739, 9980217]

約数ペア:

[(1, 9980217), (3, 3326739), (9, 1108913), (13, 767709), (39, 255903), (117, 85301), (197, 50661), (433, 23049), (591, 16887), (1299, 7683), (1773, 5629), (2561, 3897)]