220048479

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{33911}}^1$

素因数の和:34027

約数の個数: 24

約数和(自身を含む): 366792192

約数和(自身を除く): 146743713

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 33911, 101733, 237377, 305199, 712131, 2136393, 3492833, 10478499, 24449831, 31435497, 73349493, 220048479]

約数ペア:

[(1, 220048479), (3, 73349493), (7, 31435497), (9, 24449831), (21, 10478499), (63, 3492833), (103, 2136393), (309, 712131), (721, 305199), (927, 237377), (2163, 101733), (6489, 33911)]