263236479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{12329}}^1$

素因数の和:12990

約数の個数: 16

約数和(自身を含む): 383512320

約数和(自身を除く): 120275841

約数列:

[1, 3, 11, 33, 647, 1941, 7117, 12329, 21351, 36987, 135619, 406857, 7976863, 23930589, 87745493, 263236479]

約数ペア:

[(1, 263236479), (3, 87745493), (11, 23930589), (33, 7976863), (647, 406857), (1941, 135619), (7117, 36987), (12329, 21351)]