81364213

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 102896640

約数和(自身を除く): 21532427

約数列:

[1, 7, 19, 41, 43, 133, 287, 301, 347, 779, 817, 1763, 2429, 5453, 5719, 6593, 12341, 14227, 14921, 33497, 46151, 99589, 104447, 234479, 270313, 283499, 611761, 1892191, 1984493, 4282327, 11623459, 81364213]

約数ペア:

[(1, 81364213), (7, 11623459), (19, 4282327), (41, 1984493), (43, 1892191), (133, 611761), (287, 283499), (301, 270313), (347, 234479), (779, 104447), (817, 99589), (1763, 46151), (2429, 33497), (5453, 14921), (5719, 14227), (6593, 12341)]