2821305

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 4552704

約数和(自身を除く): 1731399

約数列:

[1, 3, 5, 15, 127, 381, 635, 1481, 1905, 4443, 7405, 22215, 188087, 564261, 940435, 2821305]

約数ペア:

[(1, 2821305), (3, 940435), (5, 564261), (15, 188087), (127, 22215), (381, 7405), (635, 4443), (1481, 1905)]