260328189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{213209}}^1$

素因数の和:213260

約数の個数: 16

約数和(自身を含む): 388895040

約数和(自身を除く): 128566851

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 213209, 639627, 2345299, 7035897, 7888733, 23666199, 86776063, 260328189]

約数ペア:

[(1, 260328189), (3, 86776063), (11, 23666199), (33, 7888733), (37, 7035897), (111, 2345299), (407, 639627), (1221, 213209)]