2790403

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 3677184

約数和(自身を除く): 886781

約数列:

[1, 7, 11, 31, 49, 77, 167, 217, 341, 539, 1169, 1519, 1837, 2387, 5177, 8183, 12859, 16709, 36239, 56947, 90013, 253673, 398629, 2790403]

約数ペア:

[(1, 2790403), (7, 398629), (11, 253673), (31, 90013), (49, 56947), (77, 36239), (167, 16709), (217, 12859), (341, 8183), (539, 5177), (1169, 2387), (1519, 1837)]