17390247

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 27132912

約数和(自身を除く): 9742665

約数列:

[1, 3, 7, 21, 49, 147, 281, 421, 843, 1263, 1967, 2947, 5901, 8841, 13769, 20629, 41307, 61887, 118301, 354903, 828107, 2484321, 5796749, 17390247]

約数ペア:

[(1, 17390247), (3, 5796749), (7, 2484321), (21, 828107), (49, 354903), (147, 118301), (281, 61887), (421, 41307), (843, 20629), (1263, 13769), (1967, 8841), (2947, 5901)]