202123089

素因数分解:

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

素因数の和:1374

約数の個数: 27

約数和(自身を含む): 340124187

約数和(自身を除く): 138001098

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 677, 2031, 4739, 6093, 14217, 33173, 42651, 99519, 298557, 458329, 1374987, 3208303, 4124961, 9624909, 22458121, 28874727, 67374363, 202123089]

約数ペア:

[(1, 202123089), (3, 67374363), (7, 28874727), (9, 22458121), (21, 9624909), (49, 4124961), (63, 3208303), (147, 1374987), (441, 458329), (677, 298557), (2031, 99519), (4739, 42651), (6093, 33173)]