81388413

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 122304000

約数和(自身を除く): 40915587

約数列:

[1, 3, 9, 29, 87, 199, 261, 597, 1567, 1791, 4701, 5771, 14103, 17313, 45443, 51939, 136329, 311833, 408987, 935499, 2806497, 9043157, 27129471, 81388413]

約数ペア:

[(1, 81388413), (3, 27129471), (9, 9043157), (29, 2806497), (87, 935499), (199, 408987), (261, 311833), (597, 136329), (1567, 51939), (1791, 45443), (4701, 17313), (5771, 14103)]