28563723

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8117}}^1$

素因数の和:8163

約数の個数: 24

約数和(自身を含む): 45590688

約数和(自身を除く): 17026965

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 8117, 24351, 73053, 137989, 186691, 413967, 560073, 1241901, 1680219, 3173747, 9521241, 28563723]

約数ペア:

[(1, 28563723), (3, 9521241), (9, 3173747), (17, 1680219), (23, 1241901), (51, 560073), (69, 413967), (153, 186691), (207, 137989), (391, 73053), (1173, 24351), (3519, 8117)]