2813685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 5210112

約数和(自身を除く): 2396427

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 211, 381, 633, 635, 889, 1055, 1477, 1905, 2667, 3165, 4431, 4445, 7385, 13335, 22155, 26797, 80391, 133985, 187579, 401955, 562737, 937895, 2813685]

約数ペア:

[(1, 2813685), (3, 937895), (5, 562737), (7, 401955), (15, 187579), (21, 133985), (35, 80391), (105, 26797), (127, 22155), (211, 13335), (381, 7385), (633, 4445), (635, 4431), (889, 3165), (1055, 2667), (1477, 1905)]