28143828

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{7043}}^1$

素因数の和:7093

約数の個数: 48

約数和(自身を含む): 74948160

約数和(自身を除く): 46804332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 7043, 14086, 21129, 28172, 42258, 63387, 84516, 126774, 190161, 253548, 260591, 380322, 521182, 760644, 781773, 1042364, 1563546, 2345319, 3127092, 4690638, 7035957, 9381276, 14071914, 28143828]

約数ペア:

[(1, 28143828), (2, 14071914), (3, 9381276), (4, 7035957), (6, 4690638), (9, 3127092), (12, 2345319), (18, 1563546), (27, 1042364), (36, 781773), (37, 760644), (54, 521182), (74, 380322), (108, 260591), (111, 253548), (148, 190161), (222, 126774), (333, 84516), (444, 63387), (666, 42258), (999, 28172), (1332, 21129), (1998, 14086), (3996, 7043)]