28740283

素因数分解:

${\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 20

約数和(自身を含む): 34271440

約数和(自身を除く): 5531157

約数列:

[1, 11, 13, 121, 143, 151, 1331, 1573, 1661, 1963, 14641, 17303, 18271, 21593, 190333, 200981, 237523, 2210791, 2612753, 28740283]

約数ペア:

[(1, 28740283), (11, 2612753), (13, 2210791), (121, 237523), (143, 200981), (151, 190333), (1331, 21593), (1573, 18271), (1661, 17303), (1963, 14641)]