130768281

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 221020800

約数和(自身を除く): 90252519

約数列:

[1, 3, 7, 9, 21, 63, 109, 137, 139, 327, 411, 417, 763, 959, 973, 981, 1233, 1251, 2289, 2877, 2919, 6867, 8631, 8757, 14933, 15151, 19043, 44799, 45453, 57129, 104531, 106057, 133301, 134397, 136359, 171387, 313593, 318171, 399903, 940779, 954513, 1199709, 2075687, 6227061, 14529809, 18681183, 43589427, 130768281]

約数ペア:

[(1, 130768281), (3, 43589427), (7, 18681183), (9, 14529809), (21, 6227061), (63, 2075687), (109, 1199709), (137, 954513), (139, 940779), (327, 399903), (411, 318171), (417, 313593), (763, 171387), (959, 136359), (973, 134397), (981, 133301), (1233, 106057), (1251, 104531), (2289, 57129), (2877, 45453), (2919, 44799), (6867, 19043), (8631, 15151), (8757, 14933)]