13970047

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 17714400

約数和(自身を除く): 3744353

約数列:

[1, 7, 13, 49, 91, 169, 241, 343, 637, 1183, 1687, 3133, 4459, 8281, 11809, 21931, 40729, 57967, 82663, 153517, 285103, 1074619, 1995721, 13970047]

約数ペア:

[(1, 13970047), (7, 1995721), (13, 1074619), (49, 285103), (91, 153517), (169, 82663), (241, 57967), (343, 40729), (637, 21931), (1183, 11809), (1687, 8281), (3133, 4459)]