5221665

素因数分解:

$3^4\times 5^1\times {\mathrm{12893}}^1$

素因数の和:12910

約数の個数: 20

約数和(自身を含む): 9361044

約数和(自身を除く): 4139379

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 12893, 38679, 64465, 116037, 193395, 348111, 580185, 1044333, 1740555, 5221665]

約数ペア:

[(1, 5221665), (3, 1740555), (5, 1044333), (9, 580185), (15, 348111), (27, 193395), (45, 116037), (81, 64465), (135, 38679), (405, 12893)]