13505289

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4259}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 20720640

約数和(自身を除く): 7215351

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 4259, 12777, 29813, 89439, 643109, 1929327, 4501763, 13505289]

約数ペア:

[(1, 13505289), (3, 4501763), (7, 1929327), (21, 643109), (151, 89439), (453, 29813), (1057, 12777), (3171, 4259)]