16653681

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{18691}}^1$

素因数の和:18714

約数の個数: 20

約数和(自身を含む): 27140784

約数和(自身を除く): 10487103

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 18691, 56073, 168219, 205601, 504657, 616803, 1513971, 1850409, 5551227, 16653681]

約数ペア:

[(1, 16653681), (3, 5551227), (9, 1850409), (11, 1513971), (27, 616803), (33, 504657), (81, 205601), (99, 168219), (297, 56073), (891, 18691)]