67117005

素因数分解:

$3^4\times 5^1\times {\mathrm{165721}}^1$

素因数の和:165738

約数の個数: 20

約数和(自身を含む): 120314172

約数和(自身を除く): 53197167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 165721, 497163, 828605, 1491489, 2485815, 4474467, 7457445, 13423401, 22372335, 67117005]

約数ペア:

[(1, 67117005), (3, 22372335), (5, 13423401), (9, 7457445), (15, 4474467), (27, 2485815), (45, 1491489), (81, 828605), (135, 497163), (405, 165721)]