81327447

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 120126240

約数和(自身を除く): 38798793

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 929, 1233, 2787, 8361, 9727, 29181, 65959, 87543, 127273, 197877, 381819, 593631, 1145457, 9036383, 27109149, 81327447]

約数ペア:

[(1, 81327447), (3, 27109149), (9, 9036383), (71, 1145457), (137, 593631), (213, 381819), (411, 197877), (639, 127273), (929, 87543), (1233, 65959), (2787, 29181), (8361, 9727)]