27437697

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 49437696

約数和(自身を除く): 21999999

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 189, 217, 223, 279, 441, 567, 651, 669, 837, 1323, 1519, 1561, 1953, 2007, 2511, 3969, 4557, 4683, 5859, 6021, 6913, 10927, 13671, 14049, 17577, 18063, 20739, 32781, 41013, 42147, 48391, 62217, 98343, 123039, 126441, 145173, 186651, 295029, 338737, 435519, 559953, 885087, 1016211, 1306557, 3048633, 3919671, 9145899, 27437697]

約数ペア:

[(1, 27437697), (3, 9145899), (7, 3919671), (9, 3048633), (21, 1306557), (27, 1016211), (31, 885087), (49, 559953), (63, 435519), (81, 338737), (93, 295029), (147, 186651), (189, 145173), (217, 126441), (223, 123039), (279, 98343), (441, 62217), (567, 48391), (651, 42147), (669, 41013), (837, 32781), (1323, 20739), (1519, 18063), (1561, 17577), (1953, 14049), (2007, 13671), (2511, 10927), (3969, 6913), (4557, 6021), (4683, 5859)]