81744897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1031}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 124830720

約数和(自身を除く): 43085823

約数列:

[1, 3, 13, 19, 39, 57, 107, 247, 321, 741, 1031, 1391, 2033, 3093, 4173, 6099, 13403, 19589, 26429, 40209, 58767, 79287, 110317, 254657, 330951, 763971, 1434121, 2096023, 4302363, 6288069, 27248299, 81744897]

約数ペア:

[(1, 81744897), (3, 27248299), (13, 6288069), (19, 4302363), (39, 2096023), (57, 1434121), (107, 763971), (247, 330951), (321, 254657), (741, 110317), (1031, 79287), (1391, 58767), (2033, 40209), (3093, 26429), (4173, 19589), (6099, 13403)]