28888971

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{1117}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 39765024

約数和(自身を除く): 10876053

約数列:

[1, 3, 37, 111, 233, 699, 1117, 3351, 8621, 25863, 41329, 123987, 260261, 780783, 9629657, 28888971]

約数ペア:

[(1, 28888971), (3, 9629657), (37, 780783), (111, 260261), (233, 123987), (699, 41329), (1117, 25863), (3351, 8621)]