25469145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 50872536

約数和(自身を除く): 25403391

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 197, 221, 255, 507, 585, 591, 663, 765, 845, 985, 1105, 1521, 1773, 1989, 2535, 2561, 2873, 2955, 3315, 3349, 7605, 7683, 8619, 8865, 9945, 10047, 12805, 14365, 16745, 23049, 25857, 30141, 33293, 38415, 43095, 43537, 50235, 99879, 115245, 129285, 130611, 150705, 166465, 217685, 299637, 391833, 499395, 565981, 653055, 1498185, 1697943, 1959165, 2829905, 5093829, 8489715, 25469145]

約数ペア:

[(1, 25469145), (3, 8489715), (5, 5093829), (9, 2829905), (13, 1959165), (15, 1697943), (17, 1498185), (39, 653055), (45, 565981), (51, 499395), (65, 391833), (85, 299637), (117, 217685), (153, 166465), (169, 150705), (195, 130611), (197, 129285), (221, 115245), (255, 99879), (507, 50235), (585, 43537), (591, 43095), (663, 38415), (765, 33293), (845, 30141), (985, 25857), (1105, 23049), (1521, 16745), (1773, 14365), (1989, 12805), (2535, 10047), (2561, 9945), (2873, 8865), (2955, 8619), (3315, 7683), (3349, 7605)]