2065905

素因数分解:

$3^4\times 5^1\times {\mathrm{5101}}^1$

素因数の和:5118

約数の個数: 20

約数和(自身を含む): 3704052

約数和(自身を除く): 1638147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5101, 15303, 25505, 45909, 76515, 137727, 229545, 413181, 688635, 2065905]

約数ペア:

[(1, 2065905), (3, 688635), (5, 413181), (9, 229545), (15, 137727), (27, 76515), (45, 45909), (81, 25505), (135, 15303), (405, 5101)]