28770417

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81967}}^1$

素因数の和:81989

約数の個数: 16

約数和(自身を含む): 45902080

約数和(自身を除く): 17131663

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81967, 245901, 737703, 1065571, 2213109, 3196713, 9590139, 28770417]

約数ペア:

[(1, 28770417), (3, 9590139), (9, 3196713), (13, 2213109), (27, 1065571), (39, 737703), (117, 245901), (351, 81967)]