2578485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2501835

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1889, 5667, 9445, 13223, 24557, 28335, 39669, 66115, 73671, 122785, 171899, 198345, 368355, 515697, 859495, 2578485]

約数ペア:

[(1, 2578485), (3, 859495), (5, 515697), (7, 368355), (13, 198345), (15, 171899), (21, 122785), (35, 73671), (39, 66115), (65, 39669), (91, 28335), (105, 24557), (195, 13223), (273, 9445), (455, 5667), (1365, 1889)]