8678745

素因数分解:

$3^6\times 5^1\times {\mathrm{2381}}^1$

素因数の和:2404

約数の個数: 28

約数和(自身を含む): 15621156

約数和(自身を除く): 6942411

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2381, 3645, 7143, 11905, 21429, 35715, 64287, 107145, 192861, 321435, 578583, 964305, 1735749, 2892915, 8678745]

約数ペア:

[(1, 8678745), (3, 2892915), (5, 1735749), (9, 964305), (15, 578583), (27, 321435), (45, 192861), (81, 107145), (135, 64287), (243, 35715), (405, 21429), (729, 11905), (1215, 7143), (2381, 3645)]