13204815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5209}}^1$

素因数の和:5243

約数の個数: 24

約数和(自身を含む): 22882320

約数和(自身を除く): 9677505

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 5209, 15627, 26045, 67717, 78135, 203151, 338585, 880321, 1015755, 2640963, 4401605, 13204815]

約数ペア:

[(1, 13204815), (3, 4401605), (5, 2640963), (13, 1015755), (15, 880321), (39, 338585), (65, 203151), (169, 78135), (195, 67717), (507, 26045), (845, 15627), (2535, 5209)]