18237225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3331}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 30574432

約数和(自身を除く): 12337207

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 3331, 5475, 9993, 16655, 49965, 83275, 243163, 249825, 729489, 1215815, 3647445, 6079075, 18237225]

約数ペア:

[(1, 18237225), (3, 6079075), (5, 3647445), (15, 1215815), (25, 729489), (73, 249825), (75, 243163), (219, 83275), (365, 49965), (1095, 16655), (1825, 9993), (3331, 5475)]