1287189

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 2021760

約数和(自身を除く): 734571

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 179, 423, 537, 799, 1611, 2397, 3043, 7191, 8413, 9129, 25239, 27387, 75717, 143021, 429063, 1287189]

約数ペア:

[(1, 1287189), (3, 429063), (9, 143021), (17, 75717), (47, 27387), (51, 25239), (141, 9129), (153, 8413), (179, 7191), (423, 3043), (537, 2397), (799, 1611)]