28091799

素因数分解:

$3^3\times {\mathrm{521}}^1\times {\mathrm{1997}}^1$

素因数の和:2527

約数の個数: 16

約数和(自身を含む): 41718240

約数和(自身を除く): 13626441

約数列:

[1, 3, 9, 27, 521, 1563, 1997, 4689, 5991, 14067, 17973, 53919, 1040437, 3121311, 9363933, 28091799]

約数ペア:

[(1, 28091799), (3, 9363933), (9, 3121311), (27, 1040437), (521, 53919), (1563, 17973), (1997, 14067), (4689, 5991)]