28271901

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79193}}^1$

素因数の和:79220

約数の個数: 16

約数和(自身を含む): 45615744

約数和(自身を除く): 17343843

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 79193, 237579, 554351, 1346281, 1663053, 4038843, 9423967, 28271901]

約数ペア:

[(1, 28271901), (3, 9423967), (7, 4038843), (17, 1663053), (21, 1346281), (51, 554351), (119, 237579), (357, 79193)]