18251001

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 29702400

約数和(自身を除く): 11451399

約数列:

[1, 3, 9, 19, 27, 57, 59, 67, 81, 171, 177, 201, 243, 513, 531, 603, 1121, 1273, 1539, 1593, 1809, 3363, 3819, 3953, 4617, 4779, 5427, 10089, 11457, 11859, 14337, 16281, 30267, 34371, 35577, 75107, 90801, 103113, 106731, 225321, 272403, 309339, 320193, 675963, 960579, 2027889, 6083667, 18251001]

約数ペア:

[(1, 18251001), (3, 6083667), (9, 2027889), (19, 960579), (27, 675963), (57, 320193), (59, 309339), (67, 272403), (81, 225321), (171, 106731), (177, 103113), (201, 90801), (243, 75107), (513, 35577), (531, 34371), (603, 30267), (1121, 16281), (1273, 14337), (1539, 11859), (1593, 11457), (1809, 10089), (3363, 5427), (3819, 4779), (3953, 4617)]