28173747

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13831}}^1$

素因数の和:13938

約数の個数: 16

約数和(自身を含む): 43377152

約数和(自身を除く): 15203405

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 13831, 41493, 96817, 290451, 1341607, 4024821, 9391249, 28173747]

約数ペア:

[(1, 28173747), (3, 9391249), (7, 4024821), (21, 1341607), (97, 290451), (291, 96817), (679, 41493), (2037, 13831)]