1557029271

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{30727}}^1$

素因数の和:30883

約数の個数: 32

約数和(自身を含む): 2517237760

約数和(自身を除く): 960208489

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 2413, 2667, 7239, 16891, 30727, 50673, 92181, 215089, 583813, 645267, 1751439, 3902329, 4086691, 11706987, 12260073, 27316303, 74144251, 81948909, 222432753, 519009757, 1557029271]

約数ペア:

[(1, 1557029271), (3, 519009757), (7, 222432753), (19, 81948909), (21, 74144251), (57, 27316303), (127, 12260073), (133, 11706987), (381, 4086691), (399, 3902329), (889, 1751439), (2413, 645267), (2667, 583813), (7239, 215089), (16891, 92181), (30727, 50673)]