201478509

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{146317}}^1$

素因数の和:146346

約数の個数: 20

約数和(自身を含む): 318680604

約数和(自身を除く): 117202095

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 146317, 438951, 1316853, 2487389, 3950559, 7462167, 11851677, 22386501, 67159503, 201478509]

約数ペア:

[(1, 201478509), (3, 67159503), (9, 22386501), (17, 11851677), (27, 7462167), (51, 3950559), (81, 2487389), (153, 1316853), (459, 438951), (1377, 146317)]