138725769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6961}}^1$

素因数の和:7057

約数の個数: 32

約数和(自身を含む): 230804224

約数和(自身を除く): 92078455

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 6643, 6961, 19929, 20883, 48727, 90493, 146181, 271479, 508153, 633451, 1524459, 1900353, 3557071, 6605989, 10671213, 19817967, 46241923, 138725769]

約数ペア:

[(1, 138725769), (3, 46241923), (7, 19817967), (13, 10671213), (21, 6605989), (39, 3557071), (73, 1900353), (91, 1524459), (219, 633451), (273, 508153), (511, 271479), (949, 146181), (1533, 90493), (2847, 48727), (6643, 20883), (6961, 19929)]