28112019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17581}}^1$

素因数の和:17638

約数の個数: 16

約数和(自身を含む): 41352864

約数和(自身を除く): 13240845

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17581, 52743, 228553, 685659, 720821, 2162463, 9370673, 28112019]

約数ペア:

[(1, 28112019), (3, 9370673), (13, 2162463), (39, 720821), (41, 685659), (123, 228553), (533, 52743), (1599, 17581)]