87431883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{378493}}^1$

素因数の和:378514

約数の個数: 16

約数和(自身を含む): 145341696

約数和(自身を除く): 57909813

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 378493, 1135479, 2649451, 4163423, 7948353, 12490269, 29143961, 87431883]

約数ペア:

[(1, 87431883), (3, 29143961), (7, 12490269), (11, 7948353), (21, 4163423), (33, 2649451), (77, 1135479), (231, 378493)]