28849821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 52001280

約数和(自身を除く): 23151459

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 231, 273, 429, 507, 739, 1001, 1183, 1859, 2217, 3003, 3549, 5173, 5577, 8129, 9607, 13013, 15519, 24387, 28821, 39039, 56903, 67249, 105677, 124891, 170709, 201747, 317031, 374673, 739739, 874237, 1373801, 2219217, 2622711, 4121403, 9616607, 28849821]

約数ペア:

[(1, 28849821), (3, 9616607), (7, 4121403), (11, 2622711), (13, 2219217), (21, 1373801), (33, 874237), (39, 739739), (77, 374673), (91, 317031), (143, 201747), (169, 170709), (231, 124891), (273, 105677), (429, 67249), (507, 56903), (739, 39039), (1001, 28821), (1183, 24387), (1859, 15519), (2217, 13013), (3003, 9607), (3549, 8129), (5173, 5577)]