28733247

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{11047}}^1$

素因数の和:11087

約数の個数: 18

約数和(自身を含む): 44092568

約数和(自身を除く): 15359321

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 11047, 33141, 99423, 187799, 563397, 1690191, 3192583, 9577749, 28733247]

約数ペア:

[(1, 28733247), (3, 9577749), (9, 3192583), (17, 1690191), (51, 563397), (153, 187799), (289, 99423), (867, 33141), (2601, 11047)]