423657

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 32

約数和(自身を含む): 725760

約数和(自身を除く): 302103

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 71, 117, 153, 213, 221, 351, 459, 639, 663, 923, 1207, 1917, 1989, 2769, 3621, 5967, 8307, 10863, 15691, 24921, 32589, 47073, 141219, 423657]

約数ペア:

[(1, 423657), (3, 141219), (9, 47073), (13, 32589), (17, 24921), (27, 15691), (39, 10863), (51, 8307), (71, 5967), (117, 3621), (153, 2769), (213, 1989), (221, 1917), (351, 1207), (459, 923), (639, 663)]