28136493

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3691}}^1$

素因数の和:3726

約数の個数: 36

約数和(自身を含む): 51067744

約数和(自身を除く): 22931251

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 3691, 7623, 11073, 25837, 33219, 40601, 77511, 121803, 232533, 284207, 365409, 446611, 852621, 1339833, 2557863, 3126277, 4019499, 9378831, 28136493]

約数ペア:

[(1, 28136493), (3, 9378831), (7, 4019499), (9, 3126277), (11, 2557863), (21, 1339833), (33, 852621), (63, 446611), (77, 365409), (99, 284207), (121, 232533), (231, 121803), (363, 77511), (693, 40601), (847, 33219), (1089, 25837), (2541, 11073), (3691, 7623)]