221569491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2161}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 348687360

約数和(自身を除く): 127117869

約数列:

[1, 3, 11, 13, 33, 39, 143, 239, 429, 717, 2161, 2629, 3107, 6483, 7887, 9321, 23771, 28093, 34177, 71313, 84279, 102531, 309023, 516479, 927069, 1549437, 5681269, 6714227, 17043807, 20142681, 73856497, 221569491]

約数ペア:

[(1, 221569491), (3, 73856497), (11, 20142681), (13, 17043807), (33, 6714227), (39, 5681269), (143, 1549437), (239, 927069), (429, 516479), (717, 309023), (2161, 102531), (2629, 84279), (3107, 71313), (6483, 34177), (7887, 28093), (9321, 23771)]