7780305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 14200704

約数和(自身を除く): 6420399

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 2347, 3315, 7041, 11735, 30511, 35205, 39899, 91533, 119697, 152555, 199495, 457665, 518687, 598485, 1556061, 2593435, 7780305]

約数ペア:

[(1, 7780305), (3, 2593435), (5, 1556061), (13, 598485), (15, 518687), (17, 457665), (39, 199495), (51, 152555), (65, 119697), (85, 91533), (195, 39899), (221, 35205), (255, 30511), (663, 11735), (1105, 7041), (2347, 3315)]