66972891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{2393}}^1$

素因数の和:2906

約数の個数: 16

約数和(自身を含む): 94227840

約数和(自身を除く): 27254949

約数列:

[1, 3, 19, 57, 491, 1473, 2393, 7179, 9329, 27987, 45467, 136401, 1174963, 3524889, 22324297, 66972891]

約数ペア:

[(1, 66972891), (3, 22324297), (19, 3524889), (57, 1174963), (491, 136401), (1473, 45467), (2393, 27987), (7179, 9329)]