77917869

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 120667008

約数和(自身を除く): 42749139

約数列:

[1, 3, 9, 27, 47, 81, 97, 141, 211, 291, 423, 633, 873, 1269, 1899, 2619, 3807, 4559, 5697, 7857, 9917, 13677, 17091, 20467, 29751, 41031, 61401, 89253, 123093, 184203, 267759, 369279, 552609, 803277, 961949, 1657827, 2885847, 8657541, 25972623, 77917869]

約数ペア:

[(1, 77917869), (3, 25972623), (9, 8657541), (27, 2885847), (47, 1657827), (81, 961949), (97, 803277), (141, 552609), (211, 369279), (291, 267759), (423, 184203), (633, 123093), (873, 89253), (1269, 61401), (1899, 41031), (2619, 29751), (3807, 20467), (4559, 17091), (5697, 13677), (7857, 9917)]