81520659

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2281}}^1$

素因数の和:2336

約数の個数: 36

約数和(自身を含む): 135632952

約数和(自身を除く): 54112293

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 361, 627, 1083, 1881, 2281, 3249, 3971, 6843, 11913, 20529, 25091, 35739, 43339, 75273, 130017, 225819, 390051, 476729, 823441, 1430187, 2470323, 4290561, 7410969, 9057851, 27173553, 81520659]

約数ペア:

[(1, 81520659), (3, 27173553), (9, 9057851), (11, 7410969), (19, 4290561), (33, 2470323), (57, 1430187), (99, 823441), (171, 476729), (209, 390051), (361, 225819), (627, 130017), (1083, 75273), (1881, 43339), (2281, 35739), (3249, 25091), (3971, 20529), (6843, 11913)]