2587281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 3697344

約数和(自身を除く): 1110063

約数列:

[1, 3, 17, 51, 97, 291, 523, 1569, 1649, 4947, 8891, 26673, 50731, 152193, 862427, 2587281]

約数ペア:

[(1, 2587281), (3, 862427), (17, 152193), (51, 50731), (97, 26673), (291, 8891), (523, 4947), (1569, 1649)]