2743657

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 16

約数和(自身を含む): 3376000

約数和(自身を除く): 632343

約数列:

[1, 7, 19, 49, 133, 343, 421, 931, 2947, 6517, 7999, 20629, 55993, 144403, 391951, 2743657]

約数ペア:

[(1, 2743657), (7, 391951), (19, 144403), (49, 55993), (133, 20629), (343, 7999), (421, 6517), (931, 2947)]