76800021

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 32686059

約数列:

[1, 3, 43, 47, 53, 129, 141, 159, 239, 717, 2021, 2279, 2491, 6063, 6837, 7473, 10277, 11233, 12667, 30831, 33699, 38001, 107113, 321339, 483019, 544681, 595349, 1449057, 1634043, 1786047, 25600007, 76800021]

約数ペア:

[(1, 76800021), (3, 25600007), (43, 1786047), (47, 1634043), (53, 1449057), (129, 595349), (141, 544681), (159, 483019), (239, 321339), (717, 107113), (2021, 38001), (2279, 33699), (2491, 30831), (6063, 12667), (6837, 11233), (7473, 10277)]