71372469

素因数分解:

$3^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 112000000

約数和(自身を除く): 40627531

約数列:

[1, 3, 7, 21, 49, 139, 147, 343, 417, 499, 973, 1029, 1497, 2919, 3493, 6811, 10479, 20433, 24451, 47677, 69361, 73353, 143031, 171157, 208083, 485527, 513471, 1456581, 3398689, 10196067, 23790823, 71372469]

約数ペア:

[(1, 71372469), (3, 23790823), (7, 10196067), (21, 3398689), (49, 1456581), (139, 513471), (147, 485527), (343, 208083), (417, 171157), (499, 143031), (973, 73353), (1029, 69361), (1497, 47677), (2919, 24451), (3493, 20433), (6811, 10479)]