18274005

素因数分解:

$3^4\times 5^1\times {\mathrm{45121}}^1$

素因数の和:45138

約数の個数: 20

約数和(自身を含む): 32758572

約数和(自身を除く): 14484567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45121, 135363, 225605, 406089, 676815, 1218267, 2030445, 3654801, 6091335, 18274005]

約数ペア:

[(1, 18274005), (3, 6091335), (5, 3654801), (9, 2030445), (15, 1218267), (27, 676815), (45, 406089), (81, 225605), (135, 135363), (405, 45121)]