40427751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 72769536

約数和(自身を除く): 32341785

約数列:

[1, 3, 7, 13, 17, 21, 31, 39, 51, 91, 93, 119, 217, 221, 273, 281, 357, 403, 527, 651, 663, 843, 1209, 1547, 1581, 1967, 2821, 3653, 3689, 4641, 4777, 5901, 6851, 8463, 8711, 10959, 11067, 14331, 20553, 25571, 26133, 33439, 47957, 60977, 62101, 76713, 100317, 113243, 143871, 148087, 182931, 186303, 339729, 434707, 444261, 792701, 1036609, 1304121, 1925131, 2378103, 3109827, 5775393, 13475917, 40427751]

約数ペア:

[(1, 40427751), (3, 13475917), (7, 5775393), (13, 3109827), (17, 2378103), (21, 1925131), (31, 1304121), (39, 1036609), (51, 792701), (91, 444261), (93, 434707), (119, 339729), (217, 186303), (221, 182931), (273, 148087), (281, 143871), (357, 113243), (403, 100317), (527, 76713), (651, 62101), (663, 60977), (843, 47957), (1209, 33439), (1547, 26133), (1581, 25571), (1967, 20553), (2821, 14331), (3653, 11067), (3689, 10959), (4641, 8711), (4777, 8463), (5901, 6851)]