13091247

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 22252800

約数和(自身を除く): 9161553

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 151, 169, 171, 247, 351, 453, 507, 513, 741, 1359, 1521, 1963, 2223, 2869, 3211, 4077, 4563, 5889, 6669, 8607, 9633, 17667, 25519, 25821, 28899, 37297, 53001, 76557, 77463, 86697, 111891, 229671, 335673, 484861, 689013, 1007019, 1454583, 4363749, 13091247]

約数ペア:

[(1, 13091247), (3, 4363749), (9, 1454583), (13, 1007019), (19, 689013), (27, 484861), (39, 335673), (57, 229671), (117, 111891), (151, 86697), (169, 77463), (171, 76557), (247, 53001), (351, 37297), (453, 28899), (507, 25821), (513, 25519), (741, 17667), (1359, 9633), (1521, 8607), (1963, 6669), (2223, 5889), (2869, 4563), (3211, 4077)]