68665779

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27947}}^1$

素因数の和:27976

約数の個数: 32

約数和(自身を含む): 125207040

約数和(自身を除く): 56541261

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 27947, 83841, 195629, 251523, 363311, 586887, 754569, 1089933, 1760661, 2543177, 3269799, 5281983, 7629531, 9809397, 22888593, 68665779]

約数ペア:

[(1, 68665779), (3, 22888593), (7, 9809397), (9, 7629531), (13, 5281983), (21, 3269799), (27, 2543177), (39, 1760661), (63, 1089933), (91, 754569), (117, 586887), (189, 363311), (273, 251523), (351, 195629), (819, 83841), (2457, 27947)]