231336693

素因数分解:

$3^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 393244800

約数和(自身を除く): 161908107

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 343, 411, 441, 547, 959, 1029, 1233, 1641, 2877, 3087, 3829, 4923, 6713, 8631, 11487, 20139, 26803, 34461, 46991, 60417, 74939, 80409, 140973, 187621, 224817, 241227, 422919, 524573, 562863, 674451, 1573719, 1688589, 3672011, 4721157, 11016033, 25704077, 33048099, 77112231, 231336693]

約数ペア:

[(1, 231336693), (3, 77112231), (7, 33048099), (9, 25704077), (21, 11016033), (49, 4721157), (63, 3672011), (137, 1688589), (147, 1573719), (343, 674451), (411, 562863), (441, 524573), (547, 422919), (959, 241227), (1029, 224817), (1233, 187621), (1641, 140973), (2877, 80409), (3087, 74939), (3829, 60417), (4923, 46991), (6713, 34461), (8631, 26803), (11487, 20139)]