11990121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 19783680

約数和(自身を除く): 7793559

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 1471, 2717, 4413, 8151, 16181, 19123, 27949, 48543, 57369, 83847, 210353, 307439, 363337, 631059, 922317, 1090011, 3996707, 11990121]

約数ペア:

[(1, 11990121), (3, 3996707), (11, 1090011), (13, 922317), (19, 631059), (33, 363337), (39, 307439), (57, 210353), (143, 83847), (209, 57369), (247, 48543), (429, 27949), (627, 19123), (741, 16181), (1471, 8151), (2717, 4413)]