15561689

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:809

約数の個数: 18

約数和(自身を含む): 18546318

約数和(自身を除く): 2984629

約数列:

[1, 11, 13, 121, 143, 169, 761, 1573, 1859, 8371, 9893, 20449, 92081, 108823, 128609, 1197053, 1414699, 15561689]

約数ペア:

[(1, 15561689), (11, 1414699), (13, 1197053), (121, 128609), (143, 108823), (169, 92081), (761, 20449), (1573, 9893), (1859, 8371)]