208493079

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{17581}}^1$

素因数の和:17710

約数の個数: 16

約数和(自身を含む): 286938240

約数和(自身を除く): 78445161

約数列:

[1, 3, 59, 67, 177, 201, 3953, 11859, 17581, 52743, 1037279, 1177927, 3111837, 3533781, 69497693, 208493079]

約数ペア:

[(1, 208493079), (3, 69497693), (59, 3533781), (67, 3111837), (177, 1177927), (201, 1037279), (3953, 52743), (11859, 17581)]