297777279

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 417060864

約数和(自身を除く): 119283585

約数列:

[1, 3, 43, 67, 129, 131, 201, 263, 393, 789, 2881, 5633, 8643, 8777, 11309, 16899, 17621, 26331, 33927, 34453, 52863, 103359, 377411, 757703, 1132233, 1481479, 2273109, 2308351, 4444437, 6925053, 99259093, 297777279]

約数ペア:

[(1, 297777279), (3, 99259093), (43, 6925053), (67, 4444437), (129, 2308351), (131, 2273109), (201, 1481479), (263, 1132233), (393, 757703), (789, 377411), (2881, 103359), (5633, 52863), (8643, 34453), (8777, 33927), (11309, 26331), (16899, 17621)]