42212079

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 78842400

約数和(自身を除く): 36630321

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 111, 117, 147, 199, 259, 273, 333, 441, 481, 597, 637, 777, 819, 1393, 1443, 1791, 1813, 1911, 2331, 2587, 3367, 4179, 4329, 5439, 5733, 7363, 7761, 9751, 10101, 12537, 16317, 18109, 22089, 23283, 23569, 29253, 30303, 51541, 54327, 66267, 70707, 87759, 95719, 126763, 154623, 162981, 212121, 287157, 360787, 380289, 463869, 670033, 861471, 1082361, 1140867, 2010099, 3247083, 4690231, 6030297, 14070693, 42212079]

約数ペア:

[(1, 42212079), (3, 14070693), (7, 6030297), (9, 4690231), (13, 3247083), (21, 2010099), (37, 1140867), (39, 1082361), (49, 861471), (63, 670033), (91, 463869), (111, 380289), (117, 360787), (147, 287157), (199, 212121), (259, 162981), (273, 154623), (333, 126763), (441, 95719), (481, 87759), (597, 70707), (637, 66267), (777, 54327), (819, 51541), (1393, 30303), (1443, 29253), (1791, 23569), (1813, 23283), (1911, 22089), (2331, 18109), (2587, 16317), (3367, 12537), (4179, 10101), (4329, 9751), (5439, 7761), (5733, 7363)]