213473007

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{5003}}^1$

素因数の和:5451

約数の個数: 24

約数和(自身を含む): 337229568

約数和(自身を除く): 123756561

約数列:

[1, 3, 9, 11, 33, 99, 431, 1293, 3879, 4741, 5003, 14223, 15009, 42669, 45027, 55033, 165099, 495297, 2156293, 6468879, 19406637, 23719223, 71157669, 213473007]

約数ペア:

[(1, 213473007), (3, 71157669), (9, 23719223), (11, 19406637), (33, 6468879), (99, 2156293), (431, 495297), (1293, 165099), (3879, 55033), (4741, 45027), (5003, 42669), (14223, 15009)]