678014997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 1029625344

約数和(自身を除く): 351610347

約数列:

[1, 3, 11, 33, 47, 71, 131, 141, 213, 393, 517, 781, 1441, 1551, 2209, 2343, 3337, 4323, 6157, 6627, 9301, 10011, 18471, 24299, 27903, 36707, 67727, 72897, 102311, 110121, 156839, 203181, 289379, 306933, 437147, 470517, 868137, 1311441, 1725229, 3183169, 4808617, 5175687, 9549507, 14425851, 20545909, 61637727, 226004999, 678014997]

約数ペア:

[(1, 678014997), (3, 226004999), (11, 61637727), (33, 20545909), (47, 14425851), (71, 9549507), (131, 5175687), (141, 4808617), (213, 3183169), (393, 1725229), (517, 1311441), (781, 868137), (1441, 470517), (1551, 437147), (2209, 306933), (2343, 289379), (3337, 203181), (4323, 156839), (6157, 110121), (6627, 102311), (9301, 72897), (10011, 67727), (18471, 36707), (24299, 27903)]