81818451

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21191}}^1$

素因数の和:21224

約数の個数: 32

約数和(自身を含む): 142410240

約数和(自身を除く): 60591789

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 21191, 63573, 190719, 233101, 275483, 572157, 699303, 826449, 2097909, 2479347, 3030313, 6293727, 7438041, 9090939, 27272817, 81818451]

約数ペア:

[(1, 81818451), (3, 27272817), (9, 9090939), (11, 7438041), (13, 6293727), (27, 3030313), (33, 2479347), (39, 2097909), (99, 826449), (117, 699303), (143, 572157), (297, 275483), (351, 233101), (429, 190719), (1287, 63573), (3861, 21191)]