2021070717

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 3212640000

約数和(自身を除く): 1191569283

約数列:

[1, 3, 9, 19, 27, 57, 137, 149, 171, 193, 411, 447, 513, 579, 1233, 1341, 1737, 2603, 2831, 3667, 3699, 4023, 5211, 7809, 8493, 11001, 20413, 23427, 25479, 26441, 28757, 33003, 61239, 70281, 76437, 79323, 86271, 99009, 183717, 237969, 258813, 387847, 502379, 546383, 551151, 713907, 776439, 1163541, 1507137, 1639149, 3490623, 3939709, 4521411, 4917447, 10471869, 11819127, 13564233, 14752341, 35457381, 74854471, 106372143, 224563413, 673690239, 2021070717]

約数ペア:

[(1, 2021070717), (3, 673690239), (9, 224563413), (19, 106372143), (27, 74854471), (57, 35457381), (137, 14752341), (149, 13564233), (171, 11819127), (193, 10471869), (411, 4917447), (447, 4521411), (513, 3939709), (579, 3490623), (1233, 1639149), (1341, 1507137), (1737, 1163541), (2603, 776439), (2831, 713907), (3667, 551151), (3699, 546383), (4023, 502379), (5211, 387847), (7809, 258813), (8493, 237969), (11001, 183717), (20413, 99009), (23427, 86271), (25479, 79323), (26441, 76437), (28757, 70281), (33003, 61239)]