28696239

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2068

約数の個数: 36

約数和(自身を含む): 49089768

約数和(自身を除く): 20393529

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1573, 2027, 4719, 6081, 14157, 18243, 22297, 26351, 66891, 79053, 200673, 237159, 245267, 289861, 735801, 869583, 2207403, 2608749, 3188471, 9565413, 28696239]

約数ペア:

[(1, 28696239), (3, 9565413), (9, 3188471), (11, 2608749), (13, 2207403), (33, 869583), (39, 735801), (99, 289861), (117, 245267), (121, 237159), (143, 200673), (363, 79053), (429, 66891), (1089, 26351), (1287, 22297), (1573, 18243), (2027, 14157), (4719, 6081)]