389128971

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{12119}}^1$

素因数の和:12279

約数の個数: 32

約数和(自身を含む): 651571200

約数和(自身を除く): 262442229

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4587, 10703, 12119, 32109, 36357, 84833, 133309, 254499, 399927, 933163, 1684541, 2799489, 5053623, 11791787, 18529951, 35375361, 55589853, 129709657, 389128971]

約数ペア:

[(1, 389128971), (3, 129709657), (7, 55589853), (11, 35375361), (21, 18529951), (33, 11791787), (77, 5053623), (139, 2799489), (231, 1684541), (417, 933163), (973, 399927), (1529, 254499), (2919, 133309), (4587, 84833), (10703, 36357), (12119, 32109)]