81349569

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{11633}}^1$

素因数の和:11686

約数の個数: 32

約数和(自身を含む): 141469440

約数和(自身を除く): 60119871

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 11633, 34899, 81431, 104697, 244293, 314091, 430421, 732879, 1291263, 2198637, 3012947, 3873789, 9038841, 11621367, 27116523, 81349569]

約数ペア:

[(1, 81349569), (3, 27116523), (7, 11621367), (9, 9038841), (21, 3873789), (27, 3012947), (37, 2198637), (63, 1291263), (111, 732879), (189, 430421), (259, 314091), (333, 244293), (777, 104697), (999, 81431), (2331, 34899), (6993, 11633)]