49980147

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7967

約数の個数: 24

約数和(自身を含む): 79333056

約数和(自身を除く): 29352909

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 7907, 23721, 55349, 166047, 340001, 387443, 1020003, 1162329, 2380007, 7140021, 16660049, 49980147]

約数ペア:

[(1, 49980147), (3, 16660049), (7, 7140021), (21, 2380007), (43, 1162329), (49, 1020003), (129, 387443), (147, 340001), (301, 166047), (903, 55349), (2107, 23721), (6321, 7907)]