123551289

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{809}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 181958400

約数和(自身を除く): 58407111

約数列:

[1, 3, 9, 71, 213, 239, 639, 717, 809, 2151, 2427, 7281, 16969, 50907, 57439, 152721, 172317, 193351, 516951, 580053, 1740159, 13727921, 41183763, 123551289]

約数ペア:

[(1, 123551289), (3, 41183763), (9, 13727921), (71, 1740159), (213, 580053), (239, 516951), (639, 193351), (717, 172317), (809, 152721), (2151, 57439), (2427, 50907), (7281, 16969)]