16987509

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8171}}^1$

素因数の和:8198

約数の個数: 32

約数和(自身を含む): 31380480

約数和(自身を除く): 14392971

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 8171, 24513, 57197, 73539, 89881, 171591, 220617, 269643, 514773, 629167, 808929, 1544319, 1887501, 2426787, 5662503, 16987509]

約数ペア:

[(1, 16987509), (3, 5662503), (7, 2426787), (9, 1887501), (11, 1544319), (21, 808929), (27, 629167), (33, 514773), (63, 269643), (77, 220617), (99, 171591), (189, 89881), (231, 73539), (297, 57197), (693, 24513), (2079, 8171)]