2189853

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 3369600

約数和(自身を除く): 1179747

約数列:

[1, 3, 9, 23, 69, 71, 149, 207, 213, 447, 639, 1341, 1633, 3427, 4899, 10281, 10579, 14697, 30843, 31737, 95211, 243317, 729951, 2189853]

約数ペア:

[(1, 2189853), (3, 729951), (9, 243317), (23, 95211), (69, 31737), (71, 30843), (149, 14697), (207, 10579), (213, 10281), (447, 4899), (639, 3427), (1341, 1633)]