25503825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 45372096

約数和(自身を除く): 19868271

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 241, 249, 255, 415, 425, 723, 1205, 1245, 1275, 1411, 2075, 3615, 4097, 4233, 6025, 6225, 7055, 12291, 18075, 20003, 20485, 21165, 35275, 60009, 61455, 100015, 102425, 105825, 300045, 307275, 340051, 500075, 1020153, 1500225, 1700255, 5100765, 8501275, 25503825]

約数ペア:

[(1, 25503825), (3, 8501275), (5, 5100765), (15, 1700255), (17, 1500225), (25, 1020153), (51, 500075), (75, 340051), (83, 307275), (85, 300045), (241, 105825), (249, 102425), (255, 100015), (415, 61455), (425, 60009), (723, 35275), (1205, 21165), (1245, 20485), (1275, 20003), (1411, 18075), (2075, 12291), (3615, 7055), (4097, 6225), (4233, 6025)]