168681303

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 289276416

約数和(自身を除く): 120595113

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 129, 213, 301, 387, 497, 639, 877, 903, 1491, 2631, 2709, 3053, 4473, 6139, 7893, 9159, 18417, 21371, 27477, 37711, 55251, 62267, 64113, 113133, 186801, 192339, 263977, 339399, 435869, 560403, 791931, 1307607, 2375793, 2677481, 3922821, 8032443, 18742367, 24097329, 56227101, 168681303]

約数ペア:

[(1, 168681303), (3, 56227101), (7, 24097329), (9, 18742367), (21, 8032443), (43, 3922821), (63, 2677481), (71, 2375793), (129, 1307607), (213, 791931), (301, 560403), (387, 435869), (497, 339399), (639, 263977), (877, 192339), (903, 186801), (1491, 113133), (2631, 64113), (2709, 62267), (3053, 55251), (4473, 37711), (6139, 27477), (7893, 21371), (9159, 18417)]