28401867

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80917}}^1$

素因数の和:80939

約数の個数: 16

約数和(自身を含む): 45314080

約数和(自身を除く): 16912213

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80917, 242751, 728253, 1051921, 2184759, 3155763, 9467289, 28401867]

約数ペア:

[(1, 28401867), (3, 9467289), (9, 3155763), (13, 2184759), (27, 1051921), (39, 728253), (117, 242751), (351, 80917)]