28199379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42533}}^1$

素因数の和:42566

約数の個数: 16

約数和(自身を含む): 42874272

約数和(自身を除く): 14674893

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42533, 127599, 552929, 723061, 1658787, 2169183, 9399793, 28199379]

約数ペア:

[(1, 28199379), (3, 9399793), (13, 2169183), (17, 1658787), (39, 723061), (51, 552929), (221, 127599), (663, 42533)]