1985841

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 3372096

約数和(自身を除く): 1386255

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1543, 4629, 13887, 16973, 20059, 50919, 60177, 152757, 180531, 220649, 661947, 1985841]

約数ペア:

[(1, 1985841), (3, 661947), (9, 220649), (11, 180531), (13, 152757), (33, 60177), (39, 50919), (99, 20059), (117, 16973), (143, 13887), (429, 4629), (1287, 1543)]