54545775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 96422400

約数和(自身を除く): 41876625

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 179, 239, 255, 425, 537, 717, 895, 1195, 1275, 2685, 3043, 3585, 4063, 4475, 5975, 9129, 12189, 13425, 15215, 17925, 20315, 42781, 45645, 60945, 76075, 101575, 128343, 213905, 228225, 304725, 641715, 727277, 1069525, 2181831, 3208575, 3636385, 10909155, 18181925, 54545775]

約数ペア:

[(1, 54545775), (3, 18181925), (5, 10909155), (15, 3636385), (17, 3208575), (25, 2181831), (51, 1069525), (75, 727277), (85, 641715), (179, 304725), (239, 228225), (255, 213905), (425, 128343), (537, 101575), (717, 76075), (895, 60945), (1195, 45645), (1275, 42781), (2685, 20315), (3043, 17925), (3585, 15215), (4063, 13425), (4475, 12189), (5975, 9129)]