131555981

素因数分解:

${\mathrm{19}}^2\times {\mathrm{373}}^1\times {\mathrm{977}}^1$

素因数の和:1388

約数の個数: 12

約数和(自身を含む): 139359132

約数和(自身を除く): 7803151

約数列:

[1, 19, 361, 373, 977, 7087, 18563, 134653, 352697, 364421, 6923999, 131555981]

約数ペア:

[(1, 131555981), (19, 6923999), (361, 364421), (373, 352697), (977, 134653), (7087, 18563)]