664398417

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 930631680

約数和(自身を除く): 266233263

約数列:

[1, 3, 31, 93, 107, 179, 321, 373, 537, 1119, 3317, 5549, 9951, 11563, 16647, 19153, 34689, 39911, 57459, 66767, 119733, 200301, 593743, 1237241, 1781229, 2069777, 3711723, 6209331, 7144069, 21432207, 221466139, 664398417]

約数ペア:

[(1, 664398417), (3, 221466139), (31, 21432207), (93, 7144069), (107, 6209331), (179, 3711723), (321, 2069777), (373, 1781229), (537, 1237241), (1119, 593743), (3317, 200301), (5549, 119733), (9951, 66767), (11563, 57459), (16647, 39911), (19153, 34689)]