9978129

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3863}}^1$

素因数の和:3917

約数の個数: 24

約数和(自身を含む): 16877952

約数和(自身を除く): 6899823

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 3863, 11589, 27041, 34767, 81123, 158383, 243369, 475149, 1108681, 1425447, 3326043, 9978129]

約数ペア:

[(1, 9978129), (3, 3326043), (7, 1425447), (9, 1108681), (21, 475149), (41, 243369), (63, 158383), (123, 81123), (287, 34767), (369, 27041), (861, 11589), (2583, 3863)]