80994069

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 136648512

約数和(自身を除く): 55654443

約数列:

[1, 3, 9, 13, 17, 39, 43, 51, 117, 129, 153, 221, 387, 559, 663, 731, 947, 1677, 1989, 2193, 2841, 5031, 6579, 8523, 9503, 12311, 16099, 28509, 36933, 40721, 48297, 85527, 110799, 122163, 144891, 209287, 366489, 529373, 627861, 692257, 1588119, 1883583, 2076771, 4764357, 6230313, 8999341, 26998023, 80994069]

約数ペア:

[(1, 80994069), (3, 26998023), (9, 8999341), (13, 6230313), (17, 4764357), (39, 2076771), (43, 1883583), (51, 1588119), (117, 692257), (129, 627861), (153, 529373), (221, 366489), (387, 209287), (559, 144891), (663, 122163), (731, 110799), (947, 85527), (1677, 48297), (1989, 40721), (2193, 36933), (2841, 28509), (5031, 16099), (6579, 12311), (8523, 9503)]