28871271

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22433}}^1$

素因数の和:22463

約数の個数: 24

約数和(自身を含む): 48995856

約数和(自身を除く): 20124585

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 22433, 67299, 201897, 246763, 291629, 740289, 874887, 2220867, 2624661, 3207919, 9623757, 28871271]

約数ペア:

[(1, 28871271), (3, 9623757), (9, 3207919), (11, 2624661), (13, 2220867), (33, 874887), (39, 740289), (99, 291629), (117, 246763), (143, 201897), (429, 67299), (1287, 22433)]