25144497

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 45953856

約数和(自身を除く): 20809359

約数列:

[1, 3, 7, 9, 21, 23, 37, 49, 63, 67, 69, 111, 147, 161, 201, 207, 259, 333, 441, 469, 483, 603, 777, 851, 1127, 1407, 1449, 1541, 1813, 2331, 2479, 2553, 3283, 3381, 4221, 4623, 5439, 5957, 7437, 7659, 9849, 10143, 10787, 13869, 16317, 17353, 17871, 22311, 29547, 32361, 41699, 52059, 53613, 57017, 75509, 97083, 121471, 125097, 156177, 171051, 226527, 364413, 375291, 399119, 513153, 679581, 1093239, 1197357, 2793833, 3592071, 8381499, 25144497]

約数ペア:

[(1, 25144497), (3, 8381499), (7, 3592071), (9, 2793833), (21, 1197357), (23, 1093239), (37, 679581), (49, 513153), (63, 399119), (67, 375291), (69, 364413), (111, 226527), (147, 171051), (161, 156177), (201, 125097), (207, 121471), (259, 97083), (333, 75509), (441, 57017), (469, 53613), (483, 52059), (603, 41699), (777, 32361), (851, 29547), (1127, 22311), (1407, 17871), (1449, 17353), (1541, 16317), (1813, 13869), (2331, 10787), (2479, 10143), (2553, 9849), (3283, 7659), (3381, 7437), (4221, 5957), (4623, 5439)]