27943461

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 54641664

約数和(自身を除く): 26698203

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 81, 91, 117, 119, 153, 189, 221, 223, 273, 351, 357, 459, 567, 663, 669, 819, 1053, 1071, 1377, 1547, 1561, 1989, 2007, 2457, 2899, 3213, 3791, 4641, 4683, 5967, 6021, 7371, 8697, 9639, 11373, 13923, 14049, 17901, 18063, 20293, 26091, 26537, 34119, 41769, 42147, 49283, 60879, 78273, 79611, 102357, 125307, 126441, 147849, 182637, 234819, 238833, 307071, 344981, 443547, 547911, 716499, 1034943, 1330641, 1643733, 2149497, 3104829, 3991923, 9314487, 27943461]

約数ペア:

[(1, 27943461), (3, 9314487), (7, 3991923), (9, 3104829), (13, 2149497), (17, 1643733), (21, 1330641), (27, 1034943), (39, 716499), (51, 547911), (63, 443547), (81, 344981), (91, 307071), (117, 238833), (119, 234819), (153, 182637), (189, 147849), (221, 126441), (223, 125307), (273, 102357), (351, 79611), (357, 78273), (459, 60879), (567, 49283), (663, 42147), (669, 41769), (819, 34119), (1053, 26537), (1071, 26091), (1377, 20293), (1547, 18063), (1561, 17901), (1989, 14049), (2007, 13923), (2457, 11373), (2899, 9639), (3213, 8697), (3791, 7371), (4641, 6021), (4683, 5967)]