28771191

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4001}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 44950464

約数和(自身を除く): 16179273

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 4001, 7191, 12003, 36009, 68017, 188047, 204051, 564141, 612153, 1692423, 3196799, 9590397, 28771191]

約数ペア:

[(1, 28771191), (3, 9590397), (9, 3196799), (17, 1692423), (47, 612153), (51, 564141), (141, 204051), (153, 188047), (423, 68017), (799, 36009), (2397, 12003), (4001, 7191)]