28803033

素因数分解:

$3^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 52284960

約数和(自身を除く): 23481927

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 59, 63, 81, 123, 147, 177, 189, 243, 287, 369, 413, 441, 531, 567, 861, 1107, 1239, 1323, 1593, 1701, 2009, 2419, 2583, 2891, 3321, 3717, 3969, 4779, 6027, 7257, 7749, 8673, 9963, 11151, 11907, 14337, 16933, 18081, 21771, 23247, 26019, 33453, 50799, 54243, 65313, 69741, 78057, 100359, 118531, 152397, 162729, 195939, 234171, 355593, 457191, 488187, 587817, 702513, 1066779, 1371573, 3200337, 4114719, 9601011, 28803033]

約数ペア:

[(1, 28803033), (3, 9601011), (7, 4114719), (9, 3200337), (21, 1371573), (27, 1066779), (41, 702513), (49, 587817), (59, 488187), (63, 457191), (81, 355593), (123, 234171), (147, 195939), (177, 162729), (189, 152397), (243, 118531), (287, 100359), (369, 78057), (413, 69741), (441, 65313), (531, 54243), (567, 50799), (861, 33453), (1107, 26019), (1239, 23247), (1323, 21771), (1593, 18081), (1701, 16933), (2009, 14337), (2419, 11907), (2583, 11151), (2891, 9963), (3321, 8673), (3717, 7749), (3969, 7257), (4779, 6027)]