27891479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15749}}^1$

素因数の和:15790

約数の個数: 16

約数和(自身を含む): 36288000

約数和(自身を除く): 8396521

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 15749, 110243, 173239, 362227, 1212673, 2535589, 3984497, 27891479]

約数ペア:

[(1, 27891479), (7, 3984497), (11, 2535589), (23, 1212673), (77, 362227), (161, 173239), (253, 110243), (1771, 15749)]