289467

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 16

約数和(自身を含む): 437760

約数和(自身を除く): 148293

約数列:

[1, 3, 9, 27, 71, 151, 213, 453, 639, 1359, 1917, 4077, 10721, 32163, 96489, 289467]

約数ペア:

[(1, 289467), (3, 96489), (9, 32163), (27, 10721), (71, 4077), (151, 1917), (213, 1359), (453, 639)]