16984359

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1049}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 28173600

約数和(自身を除く): 11189241

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1049, 1799, 2313, 3147, 5397, 7343, 9441, 16191, 22029, 66087, 269593, 808779, 1887151, 2426337, 5661453, 16984359]

約数ペア:

[(1, 16984359), (3, 5661453), (7, 2426337), (9, 1887151), (21, 808779), (63, 269593), (257, 66087), (771, 22029), (1049, 16191), (1799, 9441), (2313, 7343), (3147, 5397)]