2542581

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 3908736

約数和(自身を除く): 1366155

約数列:

[1, 3, 9, 23, 69, 71, 173, 207, 213, 519, 639, 1557, 1633, 3979, 4899, 11937, 12283, 14697, 35811, 36849, 110547, 282509, 847527, 2542581]

約数ペア:

[(1, 2542581), (3, 847527), (9, 282509), (23, 110547), (69, 36849), (71, 35811), (173, 14697), (207, 12283), (213, 11937), (519, 4899), (639, 3979), (1557, 1633)]