681566247

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{1091}}^1\times {\mathrm{1693}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 1010017008

約数和(自身を除く): 328450761

約数列:

[1, 3, 9, 41, 123, 369, 1091, 1693, 3273, 5079, 9819, 15237, 44731, 69413, 134193, 208239, 402579, 624717, 1847063, 5541189, 16623567, 75729583, 227188749, 681566247]

約数ペア:

[(1, 681566247), (3, 227188749), (9, 75729583), (41, 16623567), (123, 5541189), (369, 1847063), (1091, 624717), (1693, 402579), (3273, 208239), (5079, 134193), (9819, 69413), (15237, 44731)]