2647323

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 60

約数和(自身を含む): 4965840

約数和(自身を除く): 2318517

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 49, 63, 69, 81, 87, 147, 161, 189, 203, 207, 261, 441, 483, 567, 609, 621, 667, 783, 1127, 1323, 1421, 1449, 1827, 1863, 2001, 2349, 3381, 3969, 4263, 4347, 4669, 5481, 6003, 10143, 12789, 13041, 14007, 16443, 18009, 30429, 32683, 38367, 42021, 54027, 91287, 98049, 115101, 126063, 294147, 378189, 882441, 2647323]

約数ペア:

[(1, 2647323), (3, 882441), (7, 378189), (9, 294147), (21, 126063), (23, 115101), (27, 98049), (29, 91287), (49, 54027), (63, 42021), (69, 38367), (81, 32683), (87, 30429), (147, 18009), (161, 16443), (189, 14007), (203, 13041), (207, 12789), (261, 10143), (441, 6003), (483, 5481), (567, 4669), (609, 4347), (621, 4263), (667, 3969), (783, 3381), (1127, 2349), (1323, 2001), (1421, 1863), (1449, 1827)]