15689457

素因数分解:

$3^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 28139760

約数和(自身を除く): 12450303

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 67, 81, 147, 177, 189, 201, 413, 441, 469, 531, 567, 603, 1239, 1323, 1407, 1593, 1809, 2891, 3283, 3717, 3953, 3969, 4221, 4779, 5427, 8673, 9849, 11151, 11859, 12663, 26019, 27671, 29547, 33453, 35577, 37989, 78057, 83013, 88641, 106731, 193697, 234171, 249039, 265923, 320193, 581091, 747117, 1743273, 2241351, 5229819, 15689457]

約数ペア:

[(1, 15689457), (3, 5229819), (7, 2241351), (9, 1743273), (21, 747117), (27, 581091), (49, 320193), (59, 265923), (63, 249039), (67, 234171), (81, 193697), (147, 106731), (177, 88641), (189, 83013), (201, 78057), (413, 37989), (441, 35577), (469, 33453), (531, 29547), (567, 27671), (603, 26019), (1239, 12663), (1323, 11859), (1407, 11151), (1593, 9849), (1809, 8673), (2891, 5427), (3283, 4779), (3717, 4221), (3953, 3969)]