12180861

素因数分解:

$3^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 84

約数和(自身を含む): 23923584

約数和(自身を除く): 11742723

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 49, 63, 77, 81, 93, 99, 147, 189, 217, 231, 243, 279, 297, 341, 441, 539, 567, 651, 693, 729, 837, 891, 1023, 1323, 1519, 1617, 1701, 1953, 2079, 2387, 2511, 2673, 3069, 3969, 4557, 4851, 5103, 5859, 6237, 7161, 7533, 8019, 9207, 11907, 13671, 14553, 16709, 17577, 18711, 21483, 22599, 27621, 35721, 41013, 43659, 50127, 52731, 56133, 64449, 82863, 123039, 130977, 150381, 158193, 193347, 248589, 369117, 392931, 451143, 580041, 1107351, 1353429, 1740123, 4060287, 12180861]

約数ペア:

[(1, 12180861), (3, 4060287), (7, 1740123), (9, 1353429), (11, 1107351), (21, 580041), (27, 451143), (31, 392931), (33, 369117), (49, 248589), (63, 193347), (77, 158193), (81, 150381), (93, 130977), (99, 123039), (147, 82863), (189, 64449), (217, 56133), (231, 52731), (243, 50127), (279, 43659), (297, 41013), (341, 35721), (441, 27621), (539, 22599), (567, 21483), (651, 18711), (693, 17577), (729, 16709), (837, 14553), (891, 13671), (1023, 11907), (1323, 9207), (1519, 8019), (1617, 7533), (1701, 7161), (1953, 6237), (2079, 5859), (2387, 5103), (2511, 4851), (2673, 4557), (3069, 3969)]