40178025

素因数分解:

$3^4\times 5^2\times {\mathrm{19841}}^1$

素因数の和:19863

約数の個数: 30

約数和(自身を含む): 74427342

約数和(自身を除く): 34249317

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 19841, 59523, 99205, 178569, 297615, 496025, 535707, 892845, 1488075, 1607121, 2678535, 4464225, 8035605, 13392675, 40178025]

約数ペア:

[(1, 40178025), (3, 13392675), (5, 8035605), (9, 4464225), (15, 2678535), (25, 1607121), (27, 1488075), (45, 892845), (75, 535707), (81, 496025), (135, 297615), (225, 178569), (405, 99205), (675, 59523), (2025, 19841)]