18117603

素因数分解:

$3^2\times 7^3\times {\mathrm{5869}}^1$

素因数の和:5896

約数の個数: 24

約数和(自身を含む): 30524000

約数和(自身を除く): 12406397

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 5869, 17607, 41083, 52821, 123249, 287581, 369747, 862743, 2013067, 2588229, 6039201, 18117603]

約数ペア:

[(1, 18117603), (3, 6039201), (7, 2588229), (9, 2013067), (21, 862743), (49, 369747), (63, 287581), (147, 123249), (343, 52821), (441, 41083), (1029, 17607), (3087, 5869)]