28311681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 41070240

約数和(自身を除く): 12758559

約数列:

[1, 3, 17, 51, 59, 97, 177, 291, 1003, 1649, 3009, 4947, 5723, 9409, 17169, 28227, 97291, 159953, 291873, 479859, 555131, 1665393, 9437227, 28311681]

約数ペア:

[(1, 28311681), (3, 9437227), (17, 1665393), (51, 555131), (59, 479859), (97, 291873), (177, 159953), (291, 97291), (1003, 28227), (1649, 17169), (3009, 9409), (4947, 5723)]