78778623

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 138762624

約数和(自身を除く): 59984001

約数列:

[1, 3, 7, 11, 21, 33, 43, 49, 77, 103, 121, 129, 147, 231, 301, 309, 363, 473, 539, 721, 847, 903, 1133, 1419, 1617, 2107, 2163, 2541, 3311, 3399, 4429, 5047, 5203, 5929, 6321, 7931, 9933, 12463, 13287, 15141, 15609, 17787, 23177, 23793, 31003, 36421, 37389, 48719, 55517, 69531, 87241, 93009, 109263, 146157, 166551, 217021, 254947, 261723, 341033, 535909, 610687, 651063, 764841, 1023099, 1607727, 1832061, 2387231, 3751363, 7161693, 11254089, 26259541, 78778623]

約数ペア:

[(1, 78778623), (3, 26259541), (7, 11254089), (11, 7161693), (21, 3751363), (33, 2387231), (43, 1832061), (49, 1607727), (77, 1023099), (103, 764841), (121, 651063), (129, 610687), (147, 535909), (231, 341033), (301, 261723), (309, 254947), (363, 217021), (473, 166551), (539, 146157), (721, 109263), (847, 93009), (903, 87241), (1133, 69531), (1419, 55517), (1617, 48719), (2107, 37389), (2163, 36421), (2541, 31003), (3311, 23793), (3399, 23177), (4429, 17787), (5047, 15609), (5203, 15141), (5929, 13287), (6321, 12463), (7931, 9933)]