16816977

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1087}}^1$

素因数の和:1290

約数の個数: 20

約数和(自身を含む): 25276416

約数和(自身を除く): 8459439

約数列:

[1, 3, 9, 27, 81, 191, 573, 1087, 1719, 3261, 5157, 9783, 15471, 29349, 88047, 207617, 622851, 1868553, 5605659, 16816977]

約数ペア:

[(1, 16816977), (3, 5605659), (9, 1868553), (27, 622851), (81, 207617), (191, 88047), (573, 29349), (1087, 15471), (1719, 9783), (3261, 5157)]