28072167

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{9923}}^1$

素因数の和:9990

約数の個数: 16

約数和(自身を含む): 40013568

約数和(自身を除く): 11941401

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 9923, 29769, 228229, 406843, 684687, 1220529, 9357389, 28072167]

約数ペア:

[(1, 28072167), (3, 9357389), (23, 1220529), (41, 684687), (69, 406843), (123, 228229), (943, 29769), (2829, 9923)]