81330717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{21499}}^1$

素因数の和:21612

約数の個数: 16

約数和(自身を含む): 117992000

約数和(自身を除く): 36661283

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 21499, 64497, 279487, 838461, 2085403, 6256209, 27110239, 81330717]

約数ペア:

[(1, 81330717), (3, 27110239), (13, 6256209), (39, 2085403), (97, 838461), (291, 279487), (1261, 64497), (3783, 21499)]