291216537

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 427146720

約数和(自身を除く): 135930183

約数列:

[1, 3, 9, 131, 139, 393, 417, 1179, 1251, 1777, 5331, 15993, 18209, 54627, 163881, 232787, 247003, 698361, 741009, 2095083, 2223027, 32357393, 97072179, 291216537]

約数ペア:

[(1, 291216537), (3, 97072179), (9, 32357393), (131, 2223027), (139, 2095083), (393, 741009), (417, 698361), (1179, 247003), (1251, 232787), (1777, 163881), (5331, 54627), (15993, 18209)]