16609971

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 27276552

約数和(自身を除く): 10666581

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 313, 361, 399, 931, 939, 1083, 2191, 2527, 2793, 5947, 6573, 7581, 15337, 17689, 17841, 41629, 46011, 53067, 112993, 124887, 291403, 338979, 790951, 874209, 2372853, 5536657, 16609971]

約数ペア:

[(1, 16609971), (3, 5536657), (7, 2372853), (19, 874209), (21, 790951), (49, 338979), (57, 291403), (133, 124887), (147, 112993), (313, 53067), (361, 46011), (399, 41629), (931, 17841), (939, 17689), (1083, 15337), (2191, 7581), (2527, 6573), (2793, 5947)]