18087225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1427}}^1$

素因数の和:1466

約数の個数: 36

約数和(自身を含む): 32404176

約数和(自身を除く): 14316951

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1427, 2535, 4225, 4281, 7135, 12675, 18551, 21405, 35675, 55653, 92755, 107025, 241163, 278265, 463775, 723489, 1205815, 1391325, 3617445, 6029075, 18087225]

約数ペア:

[(1, 18087225), (3, 6029075), (5, 3617445), (13, 1391325), (15, 1205815), (25, 723489), (39, 463775), (65, 278265), (75, 241163), (169, 107025), (195, 92755), (325, 55653), (507, 35675), (845, 21405), (975, 18551), (1427, 12675), (2535, 7135), (4225, 4281)]