231399531

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 396103680

約数和(自身を除く): 164704149

約数列:

[1, 3, 9, 11, 27, 31, 33, 41, 93, 99, 123, 279, 297, 341, 369, 451, 613, 837, 1023, 1107, 1271, 1353, 1839, 3069, 3813, 4059, 5517, 6743, 9207, 11439, 12177, 13981, 16551, 19003, 20229, 25133, 34317, 41943, 57009, 60687, 75399, 125829, 171027, 182061, 209033, 226197, 276463, 377487, 513081, 627099, 678591, 779123, 829389, 1881297, 2337369, 2488167, 5643891, 7012107, 7464501, 8570353, 21036321, 25711059, 77133177, 231399531]

約数ペア:

[(1, 231399531), (3, 77133177), (9, 25711059), (11, 21036321), (27, 8570353), (31, 7464501), (33, 7012107), (41, 5643891), (93, 2488167), (99, 2337369), (123, 1881297), (279, 829389), (297, 779123), (341, 678591), (369, 627099), (451, 513081), (613, 377487), (837, 276463), (1023, 226197), (1107, 209033), (1271, 182061), (1353, 171027), (1839, 125829), (3069, 75399), (3813, 60687), (4059, 57009), (5517, 41943), (6743, 34317), (9207, 25133), (11439, 20229), (12177, 19003), (13981, 16551)]