28527729

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 39168000

約数和(自身を除く): 10640271

約数列:

[1, 3, 67, 71, 201, 213, 1999, 4757, 5997, 14271, 133933, 141929, 401799, 425787, 9509243, 28527729]

約数ペア:

[(1, 28527729), (3, 9509243), (67, 425787), (71, 401799), (201, 141929), (213, 133933), (1999, 14271), (4757, 5997)]