16680699

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1777}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 27736800

約数和(自身を除く): 11056101

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 1777, 3129, 5331, 9387, 12439, 15993, 37317, 111951, 264773, 794319, 1853411, 2382957, 5560233, 16680699]

約数ペア:

[(1, 16680699), (3, 5560233), (7, 2382957), (9, 1853411), (21, 794319), (63, 264773), (149, 111951), (447, 37317), (1043, 15993), (1341, 12439), (1777, 9387), (3129, 5331)]