40138785

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 74805120

約数和(自身を除く): 34666335

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 739, 765, 1065, 1207, 2217, 3195, 3621, 3695, 6035, 6651, 10863, 11085, 12563, 18105, 33255, 37689, 52469, 54315, 62815, 113067, 157407, 188445, 262345, 472221, 565335, 787035, 891973, 2361105, 2675919, 4459865, 8027757, 13379595, 40138785]

約数ペア:

[(1, 40138785), (3, 13379595), (5, 8027757), (9, 4459865), (15, 2675919), (17, 2361105), (45, 891973), (51, 787035), (71, 565335), (85, 472221), (153, 262345), (213, 188445), (255, 157407), (355, 113067), (639, 62815), (739, 54315), (765, 52469), (1065, 37689), (1207, 33255), (2217, 18105), (3195, 12563), (3621, 11085), (3695, 10863), (6035, 6651)]