17978729871

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{887707}}^1$

素因数の和:887910

約数の個数: 16

約数和(自身を含む): 24685384064

約数和(自身を除く): 6706654193

約数列:

[1, 3, 43, 129, 157, 471, 6751, 20253, 887707, 2663121, 38171401, 114514203, 139369999, 418109997, 5992909957, 17978729871]

約数ペア:

[(1, 17978729871), (3, 5992909957), (43, 418109997), (129, 139369999), (157, 114514203), (471, 38171401), (6751, 2663121), (20253, 887707)]