81281057

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 100243008

約数和(自身を除く): 18961951

約数列:

[1, 11, 13, 23, 143, 169, 253, 299, 1859, 1901, 3289, 3887, 20911, 24713, 42757, 43723, 271843, 321269, 480953, 568399, 3533959, 6252389, 7389187, 81281057]

約数ペア:

[(1, 81281057), (11, 7389187), (13, 6252389), (23, 3533959), (143, 568399), (169, 480953), (253, 321269), (299, 271843), (1859, 43723), (1901, 42757), (3289, 24713), (3887, 20911)]