78979761

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17657}}^1$

素因数の和:17741

約数の個数: 24

約数和(自身を含む): 132223104

約数和(自身を除く): 53243343

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 17657, 52971, 123599, 158913, 370797, 1112391, 1253647, 3760941, 8775529, 11282823, 26326587, 78979761]

約数ペア:

[(1, 78979761), (3, 26326587), (7, 11282823), (9, 8775529), (21, 3760941), (63, 1253647), (71, 1112391), (213, 370797), (497, 158913), (639, 123599), (1491, 52971), (4473, 17657)]