78643383

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{5879}}^1$

素因数の和:5916

約数の個数: 32

約数和(自身を含む): 131712000

約数和(自身を除く): 53068617

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 5879, 13377, 17637, 41153, 76427, 123459, 229281, 288071, 534989, 864213, 1604967, 2016497, 3744923, 6049491, 11234769, 26214461, 78643383]

約数ペア:

[(1, 78643383), (3, 26214461), (7, 11234769), (13, 6049491), (21, 3744923), (39, 2016497), (49, 1604967), (91, 864213), (147, 534989), (273, 288071), (343, 229281), (637, 123459), (1029, 76427), (1911, 41153), (4459, 17637), (5879, 13377)]