17654247

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 29250720

約数和(自身を除く): 11596473

約数列:

[1, 3, 9, 13, 27, 39, 53, 73, 117, 159, 169, 219, 351, 477, 507, 657, 689, 949, 1431, 1521, 1971, 2067, 2847, 3869, 4563, 6201, 8541, 8957, 11607, 12337, 18603, 25623, 26871, 34821, 37011, 50297, 80613, 104463, 111033, 150891, 241839, 333099, 452673, 653861, 1358019, 1961583, 5884749, 17654247]

約数ペア:

[(1, 17654247), (3, 5884749), (9, 1961583), (13, 1358019), (27, 653861), (39, 452673), (53, 333099), (73, 241839), (117, 150891), (159, 111033), (169, 104463), (219, 80613), (351, 50297), (477, 37011), (507, 34821), (657, 26871), (689, 25623), (949, 18603), (1431, 12337), (1521, 11607), (1971, 8957), (2067, 8541), (2847, 6201), (3869, 4563)]