72240729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 36623271

約数列:

[1, 3, 11, 33, 41, 107, 123, 321, 451, 499, 1177, 1353, 1497, 3531, 4387, 5489, 13161, 16467, 20459, 48257, 53393, 61377, 144771, 160179, 225049, 587323, 675147, 1761969, 2189113, 6567339, 24080243, 72240729]

約数ペア:

[(1, 72240729), (3, 24080243), (11, 6567339), (33, 2189113), (41, 1761969), (107, 675147), (123, 587323), (321, 225049), (451, 160179), (499, 144771), (1177, 61377), (1353, 53393), (1497, 48257), (3531, 20459), (4387, 16467), (5489, 13161)]