15280135

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 20

約数和(自身を含む): 20049768

約数和(自身を除く): 4769633

約数列:

[1, 5, 13, 65, 107, 169, 535, 845, 1391, 2197, 6955, 10985, 18083, 28561, 90415, 142805, 235079, 1175395, 3056027, 15280135]

約数ペア:

[(1, 15280135), (5, 3056027), (13, 1175395), (65, 235079), (107, 142805), (169, 90415), (535, 28561), (845, 18083), (1391, 10985), (2197, 6955)]