28440921

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2161}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 39227328

約数和(自身を除く): 10786407

約数列:

[1, 3, 41, 107, 123, 321, 2161, 4387, 6483, 13161, 88601, 231227, 265803, 693681, 9480307, 28440921]

約数ペア:

[(1, 28440921), (3, 9480307), (41, 693681), (107, 265803), (123, 231227), (321, 88601), (2161, 13161), (4387, 6483)]