71720259

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{42767}}^1$

素因数の和:42826

約数の個数: 16

約数和(自身を含む): 105380352

約数和(自身を除く): 33660093

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 42767, 128301, 555971, 1667913, 1838981, 5516943, 23906753, 71720259]

約数ペア:

[(1, 71720259), (3, 23906753), (13, 5516943), (39, 1838981), (43, 1667913), (129, 555971), (559, 128301), (1677, 42767)]