38889999

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 59894640

約数和(自身を除く): 21004641

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1413, 1619, 2669, 4857, 8007, 14571, 24021, 27523, 82569, 247707, 254183, 762549, 2287647, 4321111, 12963333, 38889999]

約数ペア:

[(1, 38889999), (3, 12963333), (9, 4321111), (17, 2287647), (51, 762549), (153, 254183), (157, 247707), (471, 82569), (1413, 27523), (1619, 24021), (2669, 14571), (4857, 8007)]