278750697

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{6689}}^1$

素因数の和:7200

約数の個数: 16

約数和(自身を含む): 385344000

約数和(自身を除く): 106593303

約数列:

[1, 3, 29, 87, 479, 1437, 6689, 13891, 20067, 41673, 193981, 581943, 3204031, 9612093, 92916899, 278750697]

約数ペア:

[(1, 278750697), (3, 92916899), (29, 9612093), (87, 3204031), (479, 581943), (1437, 193981), (6689, 41673), (13891, 20067)]