64429281

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9929}}^1$

素因数の和:10045

約数の個数: 24

約数和(自身を含む): 107402880

約数和(自身を除く): 42973599

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 9929, 29787, 69503, 89361, 208509, 625527, 1022687, 3068061, 7158809, 9204183, 21476427, 64429281]

約数ペア:

[(1, 64429281), (3, 21476427), (7, 9204183), (9, 7158809), (21, 3068061), (63, 1022687), (103, 625527), (309, 208509), (721, 89361), (927, 69503), (2163, 29787), (6489, 9929)]