2560815

素因数分解:

$3^4\times 5^1\times {\mathrm{6323}}^1$

素因数の和:6340

約数の個数: 20

約数和(自身を含む): 4591224

約数和(自身を除く): 2030409

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6323, 18969, 31615, 56907, 94845, 170721, 284535, 512163, 853605, 2560815]

約数ペア:

[(1, 2560815), (3, 853605), (5, 512163), (9, 284535), (15, 170721), (27, 94845), (45, 56907), (81, 31615), (135, 18969), (405, 6323)]