28543671

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{27107}}^1$

素因数の和:27132

約数の個数: 20

約数和(自身を含む): 45920952

約数和(自身を除く): 17377281

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 27107, 81321, 243963, 352391, 731889, 1057173, 2195667, 3171519, 9514557, 28543671]

約数ペア:

[(1, 28543671), (3, 9514557), (9, 3171519), (13, 2195667), (27, 1057173), (39, 731889), (81, 352391), (117, 243963), (351, 81321), (1053, 27107)]