1388790711

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{668009}}^1$

素因数の和:668036

約数の個数: 32

約数和(自身を含む): 2565158400

約数和(自身を除く): 1176367689

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 668009, 2004027, 4676063, 6012081, 7348099, 14028189, 18036243, 22044297, 42084567, 51436693, 66132891, 126253701, 154310079, 198398673, 462930237, 1388790711]

約数ペア:

[(1, 1388790711), (3, 462930237), (7, 198398673), (9, 154310079), (11, 126253701), (21, 66132891), (27, 51436693), (33, 42084567), (63, 22044297), (77, 18036243), (99, 14028189), (189, 7348099), (231, 6012081), (297, 4676063), (693, 2004027), (2079, 668009)]