71815611

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179989}}^1$

素因数の和:180018

約数の個数: 16

約数和(自身を含む): 115193600

約数和(自身を除く): 43377989

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 179989, 539967, 1259923, 3419791, 3779769, 10259373, 23938537, 71815611]

約数ペア:

[(1, 71815611), (3, 23938537), (7, 10259373), (19, 3779769), (21, 3419791), (57, 1259923), (133, 539967), (399, 179989)]