129921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 16

約数和(自身を含む): 196608

約数和(自身を除く): 66687

約数列:

[1, 3, 11, 31, 33, 93, 127, 341, 381, 1023, 1397, 3937, 4191, 11811, 43307, 129921]

約数ペア:

[(1, 129921), (3, 43307), (11, 11811), (31, 4191), (33, 3937), (93, 1397), (127, 1023), (341, 381)]