87192721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 110621952

約数和(自身を除く): 23429231

約数列:

[1, 7, 11, 77, 113, 121, 791, 847, 911, 1243, 6377, 8701, 10021, 13673, 70147, 95711, 102943, 110231, 720601, 771617, 1132373, 7926611, 12456103, 87192721]

約数ペア:

[(1, 87192721), (7, 12456103), (11, 7926611), (77, 1132373), (113, 771617), (121, 720601), (791, 110231), (847, 102943), (911, 95711), (1243, 70147), (6377, 13673), (8701, 10021)]