81996837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 124723200

約数和(自身を除く): 42726363

約数列:

[1, 3, 13, 19, 39, 57, 239, 247, 463, 717, 741, 1389, 3107, 4541, 6019, 8797, 9321, 13623, 18057, 26391, 59033, 110657, 114361, 177099, 331971, 343083, 1438541, 2102483, 4315623, 6307449, 27332279, 81996837]

約数ペア:

[(1, 81996837), (3, 27332279), (13, 6307449), (19, 4315623), (39, 2102483), (57, 1438541), (239, 343083), (247, 331971), (463, 177099), (717, 114361), (741, 110657), (1389, 59033), (3107, 26391), (4541, 18057), (6019, 13623), (8797, 9321)]