197009613

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{60637}}^1$

素因数の和:60681

約数の個数: 18

約数和(自身を含む): 300340014

約数和(自身を除く): 103330401

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 60637, 181911, 545733, 1152103, 3456309, 10368927, 21889957, 65669871, 197009613]

約数ペア:

[(1, 197009613), (3, 65669871), (9, 21889957), (19, 10368927), (57, 3456309), (171, 1152103), (361, 545733), (1083, 181911), (3249, 60637)]