31493043

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 18957357

約数列:

[1, 3, 9, 27, 29, 41, 81, 87, 109, 123, 243, 261, 327, 369, 783, 981, 1107, 1189, 2349, 2943, 3161, 3321, 3567, 4469, 7047, 8829, 9483, 9963, 10701, 13407, 26487, 28449, 32103, 40221, 85347, 96309, 120663, 129601, 256041, 288927, 361989, 388803, 768123, 1085967, 1166409, 3499227, 10497681, 31493043]

約数ペア:

[(1, 31493043), (3, 10497681), (9, 3499227), (27, 1166409), (29, 1085967), (41, 768123), (81, 388803), (87, 361989), (109, 288927), (123, 256041), (243, 129601), (261, 120663), (327, 96309), (369, 85347), (783, 40221), (981, 32103), (1107, 28449), (1189, 26487), (2349, 13407), (2943, 10701), (3161, 9963), (3321, 9483), (3567, 8829), (4469, 7047)]