87385473

素因数分解:

$3^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 156854880

約数和(自身を除く): 69469407

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 179, 189, 243, 287, 369, 441, 537, 567, 861, 1107, 1253, 1323, 1611, 1701, 2009, 2583, 3321, 3759, 3969, 4833, 6027, 7339, 7749, 8771, 9963, 11277, 11907, 14499, 18081, 22017, 23247, 26313, 33831, 43497, 51373, 54243, 66051, 69741, 78939, 101493, 154119, 162729, 198153, 236817, 304479, 359611, 462357, 488187, 594459, 710451, 1078833, 1387071, 1783377, 2131353, 3236499, 4161213, 9709497, 12483639, 29128491, 87385473]

約数ペア:

[(1, 87385473), (3, 29128491), (7, 12483639), (9, 9709497), (21, 4161213), (27, 3236499), (41, 2131353), (49, 1783377), (63, 1387071), (81, 1078833), (123, 710451), (147, 594459), (179, 488187), (189, 462357), (243, 359611), (287, 304479), (369, 236817), (441, 198153), (537, 162729), (567, 154119), (861, 101493), (1107, 78939), (1253, 69741), (1323, 66051), (1611, 54243), (1701, 51373), (2009, 43497), (2583, 33831), (3321, 26313), (3759, 23247), (3969, 22017), (4833, 18081), (6027, 14499), (7339, 11907), (7749, 11277), (8771, 9963)]