1345815

素因数分解:

$3^4\times 5^1\times {\mathrm{3323}}^1$

素因数の和:3340

約数の個数: 20

約数和(自身を含む): 2413224

約数和(自身を除く): 1067409

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3323, 9969, 16615, 29907, 49845, 89721, 149535, 269163, 448605, 1345815]

約数ペア:

[(1, 1345815), (3, 448605), (5, 269163), (9, 149535), (15, 89721), (27, 49845), (45, 29907), (81, 16615), (135, 9969), (405, 3323)]