2581047

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 4346784

約数和(自身を除く): 1765737

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 773, 1113, 2319, 3339, 5411, 6957, 16233, 40969, 48699, 122907, 286783, 368721, 860349, 2581047]

約数ペア:

[(1, 2581047), (3, 860349), (7, 368721), (9, 286783), (21, 122907), (53, 48699), (63, 40969), (159, 16233), (371, 6957), (477, 5411), (773, 3339), (1113, 2319)]