28620027

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2711}}^1$

素因数の和:2760

約数の個数: 32

約数和(自身を含む): 46863360

約数和(自身を除く): 18243333

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 2711, 3519, 8133, 10557, 24399, 46087, 62353, 73197, 138261, 187059, 414783, 561177, 1060001, 1244349, 1683531, 3180003, 9540009, 28620027]

約数ペア:

[(1, 28620027), (3, 9540009), (9, 3180003), (17, 1683531), (23, 1244349), (27, 1060001), (51, 561177), (69, 414783), (153, 187059), (207, 138261), (391, 73197), (459, 62353), (621, 46087), (1173, 24399), (2711, 10557), (3519, 8133)]