39720609

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{617}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 60158592

約数和(自身を除く): 20437983

約数列:

[1, 3, 9, 23, 69, 207, 311, 617, 933, 1851, 2799, 5553, 7153, 14191, 21459, 42573, 64377, 127719, 191887, 575661, 1726983, 4413401, 13240203, 39720609]

約数ペア:

[(1, 39720609), (3, 13240203), (9, 4413401), (23, 1726983), (69, 575661), (207, 191887), (311, 127719), (617, 64377), (933, 42573), (1851, 21459), (2799, 14191), (5553, 7153)]