81389130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2712971}}^1$

素因数の和:2712981

約数の個数: 16

約数和(自身を含む): 195333984

約数和(自身を除く): 113944854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2712971, 5425942, 8138913, 13564855, 16277826, 27129710, 40694565, 81389130]

約数ペア:

[(1, 81389130), (2, 40694565), (3, 27129710), (5, 16277826), (6, 13564855), (10, 8138913), (15, 5425942), (30, 2712971)]