16871121

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 25646400

約数和(自身を除く): 8775279

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 547, 1341, 1641, 3427, 4923, 10281, 12581, 30843, 37743, 81503, 113229, 244509, 733527, 1874569, 5623707, 16871121]

約数ペア:

[(1, 16871121), (3, 5623707), (9, 1874569), (23, 733527), (69, 244509), (149, 113229), (207, 81503), (447, 37743), (547, 30843), (1341, 12581), (1641, 10281), (3427, 4923)]