494511507

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{19973}}^1$

素因数の和:20120

約数の個数: 32

約数和(自身を含む): 843701760

約数和(自身を除く): 349190253

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 19973, 24759, 59919, 139811, 179757, 419433, 539271, 1258299, 2616463, 3774897, 7849389, 18315241, 23548167, 54945723, 70644501, 164837169, 494511507]

約数ペア:

[(1, 494511507), (3, 164837169), (7, 70644501), (9, 54945723), (21, 23548167), (27, 18315241), (63, 7849389), (131, 3774897), (189, 2616463), (393, 1258299), (917, 539271), (1179, 419433), (2751, 179757), (3537, 139811), (8253, 59919), (19973, 24759)]