40538487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 61378560

約数和(自身を除く): 20840073

約数列:

[1, 3, 11, 33, 47, 59, 141, 177, 443, 517, 649, 1329, 1551, 1947, 2773, 4873, 8319, 14619, 20821, 26137, 30503, 62463, 78411, 91509, 229031, 287507, 687093, 862521, 1228439, 3685317, 13512829, 40538487]

約数ペア:

[(1, 40538487), (3, 13512829), (11, 3685317), (33, 1228439), (47, 862521), (59, 687093), (141, 287507), (177, 229031), (443, 91509), (517, 78411), (649, 62463), (1329, 30503), (1551, 26137), (1947, 20821), (2773, 14619), (4873, 8319)]