1855305

素因数分解:

$3^6\times 5^1\times {\mathrm{509}}^1$

素因数の和:532

約数の個数: 28

約数和(自身を含む): 3344580

約数和(自身を除く): 1489275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 509, 729, 1215, 1527, 2545, 3645, 4581, 7635, 13743, 22905, 41229, 68715, 123687, 206145, 371061, 618435, 1855305]

約数ペア:

[(1, 1855305), (3, 618435), (5, 371061), (9, 206145), (15, 123687), (27, 68715), (45, 41229), (81, 22905), (135, 13743), (243, 7635), (405, 4581), (509, 3645), (729, 2545), (1215, 1527)]