68709123

素因数分解:

$3^2\times 7^2\times {\mathrm{347}}^1\times {\mathrm{449}}^1$

素因数の和:816

約数の個数: 36

約数和(自身を含む): 116040600

約数和(自身を除く): 47331477

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 347, 441, 449, 1041, 1347, 2429, 3123, 3143, 4041, 7287, 9429, 17003, 21861, 22001, 28287, 51009, 66003, 153027, 155803, 198009, 467409, 1090621, 1402227, 3271863, 7634347, 9815589, 22903041, 68709123]

約数ペア:

[(1, 68709123), (3, 22903041), (7, 9815589), (9, 7634347), (21, 3271863), (49, 1402227), (63, 1090621), (147, 467409), (347, 198009), (441, 155803), (449, 153027), (1041, 66003), (1347, 51009), (2429, 28287), (3123, 22001), (3143, 21861), (4041, 17003), (7287, 9429)]