320901

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 519840

約数和(自身を除く): 198939

約数列:

[1, 3, 7, 21, 37, 49, 59, 111, 147, 177, 259, 413, 777, 1239, 1813, 2183, 2891, 5439, 6549, 8673, 15281, 45843, 106967, 320901]

約数ペア:

[(1, 320901), (3, 106967), (7, 45843), (21, 15281), (37, 8673), (49, 6549), (59, 5439), (111, 2891), (147, 2183), (177, 1813), (259, 1239), (413, 777)]