26998023

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 15047673

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 947, 1677, 2193, 2841, 9503, 12311, 16099, 28509, 36933, 40721, 48297, 122163, 209287, 529373, 627861, 692257, 1588119, 2076771, 8999341, 26998023]

約数ペア:

[(1, 26998023), (3, 8999341), (13, 2076771), (17, 1588119), (39, 692257), (43, 627861), (51, 529373), (129, 209287), (221, 122163), (559, 48297), (663, 40721), (731, 36933), (947, 28509), (1677, 16099), (2193, 12311), (2841, 9503)]