71242047

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 104638976

約数和(自身を除く): 33396929

約数列:

[1, 3, 9, 127, 157, 381, 397, 471, 1143, 1191, 1413, 3573, 19939, 50419, 59817, 62329, 151257, 179451, 186987, 453771, 560961, 7915783, 23747349, 71242047]

約数ペア:

[(1, 71242047), (3, 23747349), (9, 7915783), (127, 560961), (157, 453771), (381, 186987), (397, 179451), (471, 151257), (1143, 62329), (1191, 59817), (1413, 50419), (3573, 19939)]