398232021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{709861}}^1$

素因数の和:709892

約数の個数: 16

約数和(自身を含む): 613320768

約数和(自身を除く): 215088747

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 709861, 2129583, 7808471, 12067637, 23425413, 36202911, 132744007, 398232021]

約数ペア:

[(1, 398232021), (3, 132744007), (11, 36202911), (17, 23425413), (33, 12067637), (51, 7808471), (187, 2129583), (561, 709861)]