2155805955

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{939349}}^1$

素因数の和:939380

約数の個数: 32

約数和(自身を含む): 4057992000

約数和(自身を除く): 1902186045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 939349, 2818047, 4696745, 8454141, 14090235, 15968933, 25362423, 42270705, 47906799, 79844665, 126812115, 143720397, 239533995, 431161191, 718601985, 2155805955]

約数ペア:

[(1, 2155805955), (3, 718601985), (5, 431161191), (9, 239533995), (15, 143720397), (17, 126812115), (27, 79844665), (45, 47906799), (51, 42270705), (85, 25362423), (135, 15968933), (153, 14090235), (255, 8454141), (459, 4696745), (765, 2818047), (2295, 939349)]