1965887

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 16

約数和(自身を含む): 2482944

約数和(自身を除く): 517057

約数列:

[1, 7, 11, 77, 121, 211, 847, 1331, 1477, 2321, 9317, 16247, 25531, 178717, 280841, 1965887]

約数ペア:

[(1, 1965887), (7, 280841), (11, 178717), (77, 25531), (121, 16247), (211, 9317), (847, 2321), (1331, 1477)]