28390851

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{6451}}^1$

素因数の和:6623

約数の個数: 16

約数和(自身を含む): 42325120

約数和(自身を除く): 13934269

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 6451, 19353, 58059, 174177, 1051513, 3154539, 9463617, 28390851]

約数ペア:

[(1, 28390851), (3, 9463617), (9, 3154539), (27, 1051513), (163, 174177), (489, 58059), (1467, 19353), (4401, 6451)]