123201945

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 227370240

約数和(自身を除く): 104168295

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 67, 135, 159, 201, 257, 265, 335, 477, 603, 771, 795, 1005, 1285, 1431, 1809, 2313, 2385, 3015, 3551, 3855, 6939, 7155, 9045, 10653, 11565, 13621, 17219, 17755, 31959, 34695, 40863, 51657, 53265, 68105, 86095, 95877, 122589, 154971, 159795, 204315, 258285, 367767, 464913, 479385, 612945, 774855, 912607, 1838835, 2324565, 2737821, 4563035, 8213463, 13689105, 24640389, 41067315, 123201945]

約数ペア:

[(1, 123201945), (3, 41067315), (5, 24640389), (9, 13689105), (15, 8213463), (27, 4563035), (45, 2737821), (53, 2324565), (67, 1838835), (135, 912607), (159, 774855), (201, 612945), (257, 479385), (265, 464913), (335, 367767), (477, 258285), (603, 204315), (771, 159795), (795, 154971), (1005, 122589), (1285, 95877), (1431, 86095), (1809, 68105), (2313, 53265), (2385, 51657), (3015, 40863), (3551, 34695), (3855, 31959), (6939, 17755), (7155, 17219), (9045, 13621), (10653, 11565)]