207900567

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15493}}^1$

素因数の和:15580

約数の個数: 32

約数和(自身を含む): 356981760

約数和(自身を除く): 149081193

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 15493, 46479, 108451, 139437, 325353, 418311, 976059, 1100003, 2928177, 3300009, 7700021, 9900027, 23100063, 29700081, 69300189, 207900567]

約数ペア:

[(1, 207900567), (3, 69300189), (7, 29700081), (9, 23100063), (21, 9900027), (27, 7700021), (63, 3300009), (71, 2928177), (189, 1100003), (213, 976059), (497, 418311), (639, 325353), (1491, 139437), (1917, 108451), (4473, 46479), (13419, 15493)]