28041273

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3929}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 44346120

約数和(自身を除く): 16304847

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3929, 7137, 11787, 35361, 51077, 153231, 239669, 459693, 719007, 2157021, 3115697, 9347091, 28041273]

約数ペア:

[(1, 28041273), (3, 9347091), (9, 3115697), (13, 2157021), (39, 719007), (61, 459693), (117, 239669), (183, 153231), (549, 51077), (793, 35361), (2379, 11787), (3929, 7137)]