312777747

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2591}}^1$

素因数の和:2880

約数の個数: 32

約数和(自身を含む): 492687360

約数和(自身を除く): 179909613

約数列:

[1, 3, 9, 17, 27, 51, 153, 263, 459, 789, 2367, 2591, 4471, 7101, 7773, 13413, 23319, 40239, 44047, 69957, 120717, 132141, 396423, 681433, 1189269, 2044299, 6132897, 11584361, 18398691, 34753083, 104259249, 312777747]

約数ペア:

[(1, 312777747), (3, 104259249), (9, 34753083), (17, 18398691), (27, 11584361), (51, 6132897), (153, 2044299), (263, 1189269), (459, 681433), (789, 396423), (2367, 132141), (2591, 120717), (4471, 69957), (7101, 44047), (7773, 40239), (13413, 23319)]