28670721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10607}}^1$

素因数の和:10680

約数の個数: 16

約数和(自身を含む): 41243904

約数和(自身を除く): 12573183

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 10607, 31821, 180319, 540957, 562171, 1686513, 9556907, 28670721]

約数ペア:

[(1, 28670721), (3, 9556907), (17, 1686513), (51, 562171), (53, 540957), (159, 180319), (901, 31821), (2703, 10607)]