40877551

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 18

約数和(自身を含む): 48678000

約数和(自身を除く): 7800449

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 1999, 20449, 21989, 25987, 241879, 285857, 337831, 3144427, 3716141, 40877551]

約数ペア:

[(1, 40877551), (11, 3716141), (13, 3144427), (121, 337831), (143, 285857), (169, 241879), (1573, 25987), (1859, 21989), (1999, 20449)]