201200823

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{61927}}^1$

素因数の和:61971

約数の個数: 18

約数和(自身を含む): 306729384

約数和(自身を除く): 105528561

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 61927, 185781, 557343, 1176613, 3529839, 10589517, 22355647, 67066941, 201200823]

約数ペア:

[(1, 201200823), (3, 67066941), (9, 22355647), (19, 10589517), (57, 3529839), (171, 1176613), (361, 557343), (1083, 185781), (3249, 61927)]