81971007

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{3527}}^1$

素因数の和:3718

約数の個数: 16

約数和(自身を含む): 111992832

約数和(自身を除く): 30021825

約数列:

[1, 3, 61, 127, 183, 381, 3527, 7747, 10581, 23241, 215147, 447929, 645441, 1343787, 27323669, 81971007]

約数ペア:

[(1, 81971007), (3, 27323669), (61, 1343787), (127, 645441), (183, 447929), (381, 215147), (3527, 23241), (7747, 10581)]