211676913

素因数分解:

$3^2\times 7^2\times {\mathrm{677}}^1\times {\mathrm{709}}^1$

素因数の和:1406

約数の個数: 36

約数和(自身を含む): 356702580

約数和(自身を除く): 145025667

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 677, 709, 2031, 2127, 4739, 4963, 6093, 6381, 14217, 14889, 33173, 34741, 42651, 44667, 99519, 104223, 298557, 312669, 479993, 1439979, 3359951, 4319937, 10079853, 23519657, 30239559, 70558971, 211676913]

約数ペア:

[(1, 211676913), (3, 70558971), (7, 30239559), (9, 23519657), (21, 10079853), (49, 4319937), (63, 3359951), (147, 1439979), (441, 479993), (677, 312669), (709, 298557), (2031, 104223), (2127, 99519), (4739, 44667), (4963, 42651), (6093, 34741), (6381, 33173), (14217, 14889)]