28342821

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{55903}}^1$

素因数の和:55932

約数の個数: 12

約数和(自身を含む): 40921728

約数和(自身を除く): 12578907

約数列:

[1, 3, 13, 39, 169, 507, 55903, 167709, 726739, 2180217, 9447607, 28342821]

約数ペア:

[(1, 28342821), (3, 9447607), (13, 2180217), (39, 726739), (169, 167709), (507, 55903)]