20849564727

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 31861555200

約数和(自身を除く): 11011990473

約数列:

[1, 3, 9, 27, 59, 127, 177, 257, 381, 401, 531, 771, 1143, 1203, 1593, 2313, 3429, 3609, 6939, 7493, 10827, 15163, 22479, 23659, 32639, 45489, 50927, 67437, 70977, 97917, 103057, 136467, 152781, 202311, 212931, 293751, 309171, 409401, 458343, 638793, 881253, 927513, 1375029, 1925701, 2782539, 3004693, 5777103, 6080363, 9014079, 13088239, 17331309, 18241089, 27042237, 39264717, 51993927, 54723267, 81126711, 117794151, 164169801, 353382453, 772206101, 2316618303, 6949854909, 20849564727]

約数ペア:

[(1, 20849564727), (3, 6949854909), (9, 2316618303), (27, 772206101), (59, 353382453), (127, 164169801), (177, 117794151), (257, 81126711), (381, 54723267), (401, 51993927), (531, 39264717), (771, 27042237), (1143, 18241089), (1203, 17331309), (1593, 13088239), (2313, 9014079), (3429, 6080363), (3609, 5777103), (6939, 3004693), (7493, 2782539), (10827, 1925701), (15163, 1375029), (22479, 927513), (23659, 881253), (32639, 638793), (45489, 458343), (50927, 409401), (67437, 309171), (70977, 293751), (97917, 212931), (103057, 202311), (136467, 152781)]