16139721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 25482240

約数和(自身を除く): 9342519

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 947, 1311, 2841, 5681, 12311, 17043, 17993, 21781, 36933, 53979, 65343, 233909, 283153, 413839, 701727, 849459, 1241517, 5379907, 16139721]

約数ペア:

[(1, 16139721), (3, 5379907), (13, 1241517), (19, 849459), (23, 701727), (39, 413839), (57, 283153), (69, 233909), (247, 65343), (299, 53979), (437, 36933), (741, 21781), (897, 17993), (947, 17043), (1311, 12311), (2841, 5681)]