16692921

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 27690624

約数和(自身を除く): 10997703

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1031, 1799, 2313, 3093, 5397, 7217, 9279, 16191, 21651, 64953, 264967, 794901, 1854769, 2384703, 5564307, 16692921]

約数ペア:

[(1, 16692921), (3, 5564307), (7, 2384703), (9, 1854769), (21, 794901), (63, 264967), (257, 64953), (771, 21651), (1031, 16191), (1799, 9279), (2313, 7217), (3093, 5397)]