56821761

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{17489}}^1$

素因数の和:17533

約数の個数: 18

約数和(自身を含む): 86627970

約数和(自身を除く): 29806209

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 17489, 52467, 157401, 332291, 996873, 2990619, 6313529, 18940587, 56821761]

約数ペア:

[(1, 56821761), (3, 18940587), (9, 6313529), (19, 2990619), (57, 996873), (171, 332291), (361, 157401), (1083, 52467), (3249, 17489)]