839845881

素因数分解:

$3^3\times 7^1\times {\mathrm{997}}^1\times {\mathrm{4457}}^1$

素因数の和:5470

約数の個数: 32

約数和(自身を含む): 1423706880

約数和(自身を除く): 583860999

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 997, 2991, 4457, 6979, 8973, 13371, 20937, 26919, 31199, 40113, 62811, 93597, 120339, 188433, 280791, 842373, 4443629, 13330887, 31105403, 39992661, 93316209, 119977983, 279948627, 839845881]

約数ペア:

[(1, 839845881), (3, 279948627), (7, 119977983), (9, 93316209), (21, 39992661), (27, 31105403), (63, 13330887), (189, 4443629), (997, 842373), (2991, 280791), (4457, 188433), (6979, 120339), (8973, 93597), (13371, 62811), (20937, 40113), (26919, 31199)]