40801725

素因数分解:

$3^4\times 5^2\times {\mathrm{20149}}^1$

素因数の和:20171

約数の個数: 30

約数和(自身を含む): 75582650

約数和(自身を除く): 34780925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 20149, 60447, 100745, 181341, 302235, 503725, 544023, 906705, 1511175, 1632069, 2720115, 4533525, 8160345, 13600575, 40801725]

約数ペア:

[(1, 40801725), (3, 13600575), (5, 8160345), (9, 4533525), (15, 2720115), (25, 1632069), (27, 1511175), (45, 906705), (75, 544023), (81, 503725), (135, 302235), (225, 181341), (405, 100745), (675, 60447), (2025, 20149)]