15998451

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 25401024

約数和(自身を除く): 9402573

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 2531, 6321, 7593, 17717, 53151, 108833, 124019, 326499, 372057, 761831, 2285493, 5332817, 15998451]

約数ペア:

[(1, 15998451), (3, 5332817), (7, 2285493), (21, 761831), (43, 372057), (49, 326499), (129, 124019), (147, 108833), (301, 53151), (903, 17717), (2107, 7593), (2531, 6321)]