2881851

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 4435200

約数和(自身を除く): 1553349

約数列:

[1, 3, 7, 21, 109, 327, 763, 1259, 2289, 3777, 8813, 26439, 137231, 411693, 960617, 2881851]

約数ペア:

[(1, 2881851), (3, 960617), (7, 411693), (21, 137231), (109, 26439), (327, 8813), (763, 3777), (1259, 2289)]