27656559

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 20566161

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 229, 243, 497, 567, 639, 687, 1491, 1603, 1701, 1917, 2061, 4473, 4809, 5751, 6183, 13419, 14427, 16259, 17253, 18549, 40257, 43281, 48777, 55647, 113813, 120771, 129843, 146331, 341439, 389529, 438993, 1024317, 1316979, 3072951, 3950937, 9218853, 27656559]

約数ペア:

[(1, 27656559), (3, 9218853), (7, 3950937), (9, 3072951), (21, 1316979), (27, 1024317), (63, 438993), (71, 389529), (81, 341439), (189, 146331), (213, 129843), (229, 120771), (243, 113813), (497, 55647), (567, 48777), (639, 43281), (687, 40257), (1491, 18549), (1603, 17253), (1701, 16259), (1917, 14427), (2061, 13419), (4473, 6183), (4809, 5751)]