2971257

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 4190208

約数和(自身を除く): 1218951

約数列:

[1, 3, 31, 43, 93, 129, 743, 1333, 2229, 3999, 23033, 31949, 69099, 95847, 990419, 2971257]

約数ペア:

[(1, 2971257), (3, 990419), (31, 95847), (43, 69099), (93, 31949), (129, 23033), (743, 3999), (1333, 2229)]