2821599

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{2591}}^1$

素因数の和:2619

約数の個数: 18

約数和(自身を含む): 4481568

約数和(自身を除く): 1659969

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 2591, 7773, 23319, 28501, 85503, 256509, 313511, 940533, 2821599]

約数ペア:

[(1, 2821599), (3, 940533), (9, 313511), (11, 256509), (33, 85503), (99, 28501), (121, 23319), (363, 7773), (1089, 2591)]