128301981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 185213952

約数和(自身を除く): 56911971

約数列:

[1, 3, 23, 43, 69, 83, 129, 249, 521, 989, 1563, 1909, 2967, 3569, 5727, 10707, 11983, 22403, 35949, 43243, 67209, 82087, 129729, 246261, 515269, 994589, 1545807, 1859449, 2983767, 5578347, 42767327, 128301981]

約数ペア:

[(1, 128301981), (3, 42767327), (23, 5578347), (43, 2983767), (69, 1859449), (83, 1545807), (129, 994589), (249, 515269), (521, 246261), (989, 129729), (1563, 82087), (1909, 67209), (2967, 43243), (3569, 35949), (5727, 22403), (10707, 11983)]