25550559

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{2089}}^1$

素因数の和:2252

約数の個数: 20

約数和(自身を含む): 38439280

約数和(自身を除く): 12888721

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 2089, 4077, 6267, 12231, 18801, 56403, 169209, 315439, 946317, 2838951, 8516853, 25550559]

約数ペア:

[(1, 25550559), (3, 8516853), (9, 2838951), (27, 946317), (81, 315439), (151, 169209), (453, 56403), (1359, 18801), (2089, 12231), (4077, 6267)]