80866461

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 119766528

約数和(自身を除く): 38900067

約数列:

[1, 3, 13, 39, 47, 141, 157, 281, 471, 611, 843, 1833, 2041, 3653, 6123, 7379, 10959, 13207, 22137, 39621, 44117, 95927, 132351, 171691, 287781, 515073, 573521, 1720563, 2073499, 6220497, 26955487, 80866461]

約数ペア:

[(1, 80866461), (3, 26955487), (13, 6220497), (39, 2073499), (47, 1720563), (141, 573521), (157, 515073), (281, 287781), (471, 171691), (611, 132351), (843, 95927), (1833, 44117), (2041, 39621), (3653, 22137), (6123, 13207), (7379, 10959)]