65853981

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{20269}}^1$

素因数の和:20313

約数の個数: 18

約数和(自身を含む): 100397310

約数和(自身を除く): 34543329

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 20269, 60807, 182421, 385111, 1155333, 3465999, 7317109, 21951327, 65853981]

約数ペア:

[(1, 65853981), (3, 21951327), (9, 7317109), (19, 3465999), (57, 1155333), (171, 385111), (361, 182421), (1083, 60807), (3249, 20269)]