203431917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 308891520

約数和(自身を除く): 105459603

約数列:

[1, 3, 13, 19, 39, 57, 247, 281, 741, 843, 977, 2931, 3653, 5339, 10959, 12701, 16017, 18563, 38103, 55689, 69407, 208221, 241319, 274537, 723957, 823611, 3568981, 5216203, 10706943, 15648609, 67810639, 203431917]

約数ペア:

[(1, 203431917), (3, 67810639), (13, 15648609), (19, 10706943), (39, 5216203), (57, 3568981), (247, 823611), (281, 723957), (741, 274537), (843, 241319), (977, 208221), (2931, 69407), (3653, 55689), (5339, 38103), (10959, 18563), (12701, 16017)]