16839009

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{18899}}^1$

素因数の和:18922

約数の個数: 20

約数和(自身を含む): 27442800

約数和(自身を除く): 10603791

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 18899, 56697, 170091, 207889, 510273, 623667, 1530819, 1871001, 5613003, 16839009]

約数ペア:

[(1, 16839009), (3, 5613003), (9, 1871001), (11, 1530819), (27, 623667), (33, 510273), (81, 207889), (99, 170091), (297, 56697), (891, 18899)]