389375745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{2917}}^1$

素因数の和:3745

約数の個数: 32

約数和(自身を含む): 680711040

約数和(自身を除く): 291335295

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 809, 2427, 2917, 4045, 8751, 8899, 12135, 14585, 26697, 32087, 43755, 44495, 96261, 133485, 160435, 481305, 2359853, 7079559, 11799265, 25958383, 35397795, 77875149, 129791915, 389375745]

約数ペア:

[(1, 389375745), (3, 129791915), (5, 77875149), (11, 35397795), (15, 25958383), (33, 11799265), (55, 7079559), (165, 2359853), (809, 481305), (2427, 160435), (2917, 133485), (4045, 96261), (8751, 44495), (8899, 43755), (12135, 32087), (14585, 26697)]