212905179

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{9421}}^1$

素因数の和:9470

約数の個数: 28

約数和(自身を含む): 329543872

約数和(自身を除く): 116638693

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 729, 837, 2511, 7533, 9421, 22599, 28263, 84789, 254367, 292051, 763101, 876153, 2289303, 2628459, 6867909, 7885377, 23656131, 70968393, 212905179]

約数ペア:

[(1, 212905179), (3, 70968393), (9, 23656131), (27, 7885377), (31, 6867909), (81, 2628459), (93, 2289303), (243, 876153), (279, 763101), (729, 292051), (837, 254367), (2511, 84789), (7533, 28263), (9421, 22599)]