2039821

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 16

約数和(自身を含む): 2512000

約数和(自身を除く): 472179

約数列:

[1, 7, 19, 49, 133, 313, 343, 931, 2191, 5947, 6517, 15337, 41629, 107359, 291403, 2039821]

約数ペア:

[(1, 2039821), (7, 291403), (19, 107359), (49, 41629), (133, 15337), (313, 6517), (343, 5947), (931, 2191)]