2581161

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 4105728

約数和(自身を除く): 1524567

約数列:

[1, 3, 11, 17, 33, 43, 51, 107, 129, 187, 321, 473, 561, 731, 1177, 1419, 1819, 2193, 3531, 4601, 5457, 8041, 13803, 20009, 24123, 50611, 60027, 78217, 151833, 234651, 860387, 2581161]

約数ペア:

[(1, 2581161), (3, 860387), (11, 234651), (17, 151833), (33, 78217), (43, 60027), (51, 50611), (107, 24123), (129, 20009), (187, 13803), (321, 8041), (473, 5457), (561, 4601), (731, 3531), (1177, 2193), (1419, 1819)]