28910739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67391}}^1$

素因数の和:67418

約数の個数: 16

約数和(自身を含む): 45287424

約数和(自身を除く): 16376685

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 67391, 202173, 741301, 876083, 2223903, 2628249, 9636913, 28910739]

約数ペア:

[(1, 28910739), (3, 9636913), (11, 2628249), (13, 2223903), (33, 876083), (39, 741301), (143, 202173), (429, 67391)]