7938

素因数分解:

$2^1\times 3^4\times 7^2$

素因数の和:28

約数の個数: 30

約数和(自身を含む): 20691

約数和(自身を除く): 12753

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938]

約数ペア:

[(1, 7938), (2, 3969), (3, 2646), (6, 1323), (7, 1134), (9, 882), (14, 567), (18, 441), (21, 378), (27, 294), (42, 189), (49, 162), (54, 147), (63, 126), (81, 98)]