72408861

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26729}}^1$

素因数の和:26785

約数の個数: 24

約数和(自身を含む): 122316480

約数和(自身を除く): 49907619

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 26729, 80187, 187103, 240561, 561309, 1149347, 1683927, 3448041, 8045429, 10344123, 24136287, 72408861]

約数ペア:

[(1, 72408861), (3, 24136287), (7, 10344123), (9, 8045429), (21, 3448041), (43, 1683927), (63, 1149347), (129, 561309), (301, 240561), (387, 187103), (903, 80187), (2709, 26729)]