280989873

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{5009}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 425168640

約数和(自身を除く): 144178767

約数列:

[1, 3, 9, 23, 69, 207, 271, 813, 2439, 5009, 6233, 15027, 18699, 45081, 56097, 115207, 345621, 1036863, 1357439, 4072317, 12216951, 31221097, 93663291, 280989873]

約数ペア:

[(1, 280989873), (3, 93663291), (9, 31221097), (23, 12216951), (69, 4072317), (207, 1357439), (271, 1036863), (813, 345621), (2439, 115207), (5009, 56097), (6233, 45081), (15027, 18699)]