248676765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20749}}^1$

素因数の和:20821

約数の個数: 32

約数和(自身を含む): 430272000

約数和(自身を除く): 181595235

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 20749, 62247, 103745, 311235, 352733, 975203, 1058199, 1763665, 2925609, 4876015, 5290995, 14628045, 16578451, 49735353, 82892255, 248676765]

約数ペア:

[(1, 248676765), (3, 82892255), (5, 49735353), (15, 16578451), (17, 14628045), (47, 5290995), (51, 4876015), (85, 2925609), (141, 1763665), (235, 1058199), (255, 975203), (705, 352733), (799, 311235), (2397, 103745), (3995, 62247), (11985, 20749)]