2012098221

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 3492155160

約数和(自身を除く): 1480056939

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 317, 333, 389, 441, 777, 951, 1167, 1813, 2219, 2331, 2723, 2853, 3501, 5439, 6657, 8169, 11729, 14393, 15533, 16317, 19061, 19971, 24507, 35187, 43179, 46599, 57183, 82103, 100751, 105561, 123313, 129537, 139797, 171549, 246309, 302253, 369939, 574721, 705257, 738927, 863191, 906759, 1109817, 1724163, 2115771, 2589573, 4562581, 5172489, 6042337, 6347313, 7768719, 13687743, 18127011, 31938067, 41063229, 54381033, 95814201, 223566469, 287442603, 670699407, 2012098221]

約数ペア:

[(1, 2012098221), (3, 670699407), (7, 287442603), (9, 223566469), (21, 95814201), (37, 54381033), (49, 41063229), (63, 31938067), (111, 18127011), (147, 13687743), (259, 7768719), (317, 6347313), (333, 6042337), (389, 5172489), (441, 4562581), (777, 2589573), (951, 2115771), (1167, 1724163), (1813, 1109817), (2219, 906759), (2331, 863191), (2723, 738927), (2853, 705257), (3501, 574721), (5439, 369939), (6657, 302253), (8169, 246309), (11729, 171549), (14393, 139797), (15533, 129537), (16317, 123313), (19061, 105561), (19971, 100751), (24507, 82103), (35187, 57183), (43179, 46599)]