27873209

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 37645440

約数和(自身を除く): 9772231

約数列:

[1, 7, 13, 19, 47, 49, 91, 133, 247, 329, 343, 611, 637, 893, 931, 1729, 2303, 2401, 4277, 4459, 6251, 6517, 11609, 12103, 16121, 29939, 31213, 43757, 45619, 81263, 84721, 112847, 209573, 306299, 568841, 593047, 1467011, 2144093, 3981887, 27873209]

約数ペア:

[(1, 27873209), (7, 3981887), (13, 2144093), (19, 1467011), (47, 593047), (49, 568841), (91, 306299), (133, 209573), (247, 112847), (329, 84721), (343, 81263), (611, 45619), (637, 43757), (893, 31213), (931, 29939), (1729, 16121), (2303, 12103), (2401, 11609), (4277, 6517), (4459, 6251)]