12740871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 21143808

約数和(自身を除く): 8402937

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 1747, 2431, 5241, 7293, 19217, 22711, 29699, 57651, 68133, 89097, 249821, 326689, 386087, 749463, 980067, 1158261, 4246957, 12740871]

約数ペア:

[(1, 12740871), (3, 4246957), (11, 1158261), (13, 980067), (17, 749463), (33, 386087), (39, 326689), (51, 249821), (143, 89097), (187, 68133), (221, 57651), (429, 29699), (561, 22711), (663, 19217), (1747, 7293), (2431, 5241)]