80661897

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20509}}^1$

素因数の和:20557

約数の個数: 24

約数和(自身を含む): 127982400

約数和(自身を除く): 47320503

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 20509, 61527, 184581, 389671, 471707, 1169013, 1415121, 3507039, 4245363, 8962433, 26887299, 80661897]

約数ペア:

[(1, 80661897), (3, 26887299), (9, 8962433), (19, 4245363), (23, 3507039), (57, 1415121), (69, 1169013), (171, 471707), (207, 389671), (437, 184581), (1311, 61527), (3933, 20509)]