13981305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71699}}^1$

素因数の和:71720

約数の個数: 16

約数和(自身を含む): 24091200

約数和(自身を除く): 10109895

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 71699, 215097, 358495, 932087, 1075485, 2796261, 4660435, 13981305]

約数ペア:

[(1, 13981305), (3, 4660435), (5, 2796261), (13, 1075485), (15, 932087), (39, 358495), (65, 215097), (195, 71699)]