2790915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4378

約数の個数: 16

約数和(自身を含む): 4570368

約数和(自身を除く): 1779453

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 4327, 12981, 21635, 64905, 186061, 558183, 930305, 2790915]

約数ペア:

[(1, 2790915), (3, 930305), (5, 558183), (15, 186061), (43, 64905), (129, 21635), (215, 12981), (645, 4327)]