16399089

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1747}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 27268800

約数和(自身を除く): 10869711

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 1747, 3129, 5241, 9387, 12229, 15723, 36687, 110061, 260303, 780909, 1822121, 2342727, 5466363, 16399089]

約数ペア:

[(1, 16399089), (3, 5466363), (7, 2342727), (9, 1822121), (21, 780909), (63, 260303), (149, 110061), (447, 36687), (1043, 15723), (1341, 12229), (1747, 9387), (3129, 5241)]