399956793

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{20407}}^1$

素因数の和:20596

約数の個数: 16

約数和(自身を含む): 548567040

約数和(自身を除く): 148610247

約数列:

[1, 3, 47, 139, 141, 417, 6533, 19599, 20407, 61221, 959129, 2836573, 2877387, 8509719, 133318931, 399956793]

約数ペア:

[(1, 399956793), (3, 133318931), (47, 8509719), (139, 2877387), (141, 2836573), (417, 959129), (6533, 61221), (19599, 20407)]