320469219

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{267727}}^1$

素因数の和:267759

約数の個数: 24

約数和(自身を含む): 556874240

約数和(自身を除く): 236405021

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 267727, 803181, 1874089, 2409543, 5086813, 5622267, 15260439, 16866801, 35607691, 45781317, 106823073, 320469219]

約数ペア:

[(1, 320469219), (3, 106823073), (7, 45781317), (9, 35607691), (19, 16866801), (21, 15260439), (57, 5622267), (63, 5086813), (133, 2409543), (171, 1874089), (399, 803181), (1197, 267727)]