2808603

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 4690400

約数和(自身を除く): 1881797

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 409, 763, 981, 1227, 2289, 2863, 3681, 6867, 8589, 25767, 44581, 133743, 312067, 401229, 936201, 2808603]

約数ペア:

[(1, 2808603), (3, 936201), (7, 401229), (9, 312067), (21, 133743), (63, 44581), (109, 25767), (327, 8589), (409, 6867), (763, 3681), (981, 2863), (1227, 2289)]