2557863

素因数分解:

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

素因数の和:3715

約数の個数: 24

約数和(自身を含む): 4607616

約数和(自身を除く): 2049753

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 3691, 11073, 25837, 33219, 40601, 77511, 121803, 232533, 284207, 365409, 852621, 2557863]

約数ペア:

[(1, 2557863), (3, 852621), (7, 365409), (9, 284207), (11, 232533), (21, 121803), (33, 77511), (63, 40601), (77, 33219), (99, 25837), (231, 11073), (693, 3691)]