81882927

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4049}}^1$

素因数の和:4172

約数の個数: 32

約数和(自身を含む): 139968000

約数和(自身を除く): 58085073

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 4049, 6741, 12147, 20223, 28343, 36441, 85029, 109323, 255087, 433243, 765261, 1299729, 3032701, 3899187, 9098103, 11697561, 27294309, 81882927]

約数ペア:

[(1, 81882927), (3, 27294309), (7, 11697561), (9, 9098103), (21, 3899187), (27, 3032701), (63, 1299729), (107, 765261), (189, 433243), (321, 255087), (749, 109323), (963, 85029), (2247, 36441), (2889, 28343), (4049, 20223), (6741, 12147)]