12723291

素因数分解:

$3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 22435200

約数和(自身を除く): 9711909

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 147, 163, 177, 189, 413, 441, 489, 531, 1141, 1239, 1323, 1467, 1593, 2891, 3423, 3717, 4401, 7987, 8673, 9617, 10269, 11151, 23961, 26019, 28851, 30807, 67319, 71883, 78057, 86553, 201957, 215649, 259659, 471233, 605871, 1413699, 1817613, 4241097, 12723291]

約数ペア:

[(1, 12723291), (3, 4241097), (7, 1817613), (9, 1413699), (21, 605871), (27, 471233), (49, 259659), (59, 215649), (63, 201957), (147, 86553), (163, 78057), (177, 71883), (189, 67319), (413, 30807), (441, 28851), (489, 26019), (531, 23961), (1141, 11151), (1239, 10269), (1323, 9617), (1467, 8673), (1593, 7987), (2891, 4401), (3423, 3717)]