2649915

素因数分解:

$3^6\times 5^1\times {\mathrm{727}}^1$

素因数の和:750

約数の個数: 28

約数和(自身を含む): 4774224

約数和(自身を除く): 2124309

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 727, 729, 1215, 2181, 3635, 3645, 6543, 10905, 19629, 32715, 58887, 98145, 176661, 294435, 529983, 883305, 2649915]

約数ペア:

[(1, 2649915), (3, 883305), (5, 529983), (9, 294435), (15, 176661), (27, 98145), (45, 58887), (81, 32715), (135, 19629), (243, 10905), (405, 6543), (727, 3645), (729, 3635), (1215, 2181)]