287473995

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125261}}^1$

素因数の和:125292

約数の個数: 32

約数和(自身を含む): 541131840

約数和(自身を除く): 253657845

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 125261, 375783, 626305, 1127349, 1878915, 2129437, 3382047, 5636745, 6388311, 10647185, 16910235, 19164933, 31941555, 57494799, 95824665, 287473995]

約数ペア:

[(1, 287473995), (3, 95824665), (5, 57494799), (9, 31941555), (15, 19164933), (17, 16910235), (27, 10647185), (45, 6388311), (51, 5636745), (85, 3382047), (135, 2129437), (153, 1878915), (255, 1127349), (459, 626305), (765, 375783), (2295, 125261)]