28681191

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41387}}^1$

素因数の和:41411

約数の個数: 24

約数和(自身を含む): 51652224

約数和(自身を除く): 22971033

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 41387, 124161, 289709, 372483, 455257, 869127, 1365771, 2607381, 3186799, 4097313, 9560397, 28681191]

約数ペア:

[(1, 28681191), (3, 9560397), (7, 4097313), (9, 3186799), (11, 2607381), (21, 1365771), (33, 869127), (63, 455257), (77, 372483), (99, 289709), (231, 124161), (693, 41387)]