28564731

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{27127}}^1$

素因数の和:27152

約数の個数: 20

約数和(自身を含む): 45954832

約数和(自身を除く): 17390101

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 27127, 81381, 244143, 352651, 732429, 1057953, 2197287, 3173859, 9521577, 28564731]

約数ペア:

[(1, 28564731), (3, 9521577), (9, 3173859), (13, 2197287), (27, 1057953), (39, 732429), (81, 352651), (117, 244143), (351, 81381), (1053, 27127)]