16984947

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19727}}^1$

素因数の和:19778

約数の個数: 16

約数和(自身を含む): 26514432

約数和(自身を除く): 9529485

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 19727, 59181, 138089, 414267, 808807, 2426421, 5661649, 16984947]

約数ペア:

[(1, 16984947), (3, 5661649), (7, 2426421), (21, 808807), (41, 414267), (123, 138089), (287, 59181), (861, 19727)]