51326145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 102258936

約数和(自身を除く): 50932791

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 221, 255, 397, 507, 585, 663, 765, 845, 1105, 1191, 1521, 1985, 1989, 2535, 2873, 3315, 3573, 5161, 5955, 6749, 7605, 8619, 9945, 14365, 15483, 17865, 20247, 25805, 25857, 33745, 43095, 46449, 60741, 67093, 77415, 87737, 101235, 129285, 201279, 232245, 263211, 303705, 335465, 438685, 603837, 789633, 1006395, 1140581, 1316055, 3019185, 3421743, 3948165, 5702905, 10265229, 17108715, 51326145]

約数ペア:

[(1, 51326145), (3, 17108715), (5, 10265229), (9, 5702905), (13, 3948165), (15, 3421743), (17, 3019185), (39, 1316055), (45, 1140581), (51, 1006395), (65, 789633), (85, 603837), (117, 438685), (153, 335465), (169, 303705), (195, 263211), (221, 232245), (255, 201279), (397, 129285), (507, 101235), (585, 87737), (663, 77415), (765, 67093), (845, 60741), (1105, 46449), (1191, 43095), (1521, 33745), (1985, 25857), (1989, 25805), (2535, 20247), (2873, 17865), (3315, 15483), (3573, 14365), (5161, 9945), (5955, 8619), (6749, 7605)]