138486789

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 243877920

約数和(自身を除く): 105391131

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 67, 109, 129, 147, 201, 301, 327, 387, 441, 469, 603, 763, 903, 981, 1407, 2107, 2289, 2709, 2881, 3283, 4221, 4687, 5341, 6321, 6867, 7303, 8643, 9849, 14061, 16023, 18963, 20167, 21909, 25929, 29547, 32809, 42183, 48069, 51121, 60501, 65727, 98427, 141169, 153363, 181503, 229663, 295281, 314029, 357847, 423507, 460089, 688989, 942087, 1073541, 1270521, 2066967, 2198203, 2826261, 3220623, 6594609, 15387421, 19783827, 46162263, 138486789]

約数ペア:

[(1, 138486789), (3, 46162263), (7, 19783827), (9, 15387421), (21, 6594609), (43, 3220623), (49, 2826261), (63, 2198203), (67, 2066967), (109, 1270521), (129, 1073541), (147, 942087), (201, 688989), (301, 460089), (327, 423507), (387, 357847), (441, 314029), (469, 295281), (603, 229663), (763, 181503), (903, 153363), (981, 141169), (1407, 98427), (2107, 65727), (2289, 60501), (2709, 51121), (2881, 48069), (3283, 42183), (4221, 32809), (4687, 29547), (5341, 25929), (6321, 21909), (6867, 20167), (7303, 18963), (8643, 16023), (9849, 14061)]