12648321

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 23474880

約数和(自身を除く): 10826559

約数列:

[1, 3, 7, 9, 21, 23, 29, 43, 49, 63, 69, 87, 129, 147, 161, 203, 207, 261, 301, 387, 441, 483, 609, 667, 903, 989, 1127, 1247, 1421, 1449, 1827, 2001, 2107, 2709, 2967, 3381, 3741, 4263, 4669, 6003, 6321, 6923, 8729, 8901, 10143, 11223, 12789, 14007, 18963, 20769, 26187, 28681, 32683, 42021, 48461, 61103, 62307, 78561, 86043, 98049, 145383, 183309, 200767, 258129, 294147, 436149, 549927, 602301, 1405369, 1806903, 4216107, 12648321]

約数ペア:

[(1, 12648321), (3, 4216107), (7, 1806903), (9, 1405369), (21, 602301), (23, 549927), (29, 436149), (43, 294147), (49, 258129), (63, 200767), (69, 183309), (87, 145383), (129, 98049), (147, 86043), (161, 78561), (203, 62307), (207, 61103), (261, 48461), (301, 42021), (387, 32683), (441, 28681), (483, 26187), (609, 20769), (667, 18963), (903, 14007), (989, 12789), (1127, 11223), (1247, 10143), (1421, 8901), (1449, 8729), (1827, 6923), (2001, 6321), (2107, 6003), (2709, 4669), (2967, 4263), (3381, 3741)]