255361005

素因数分解:

$3^4\times 5^1\times {\mathrm{630521}}^1$

素因数の和:630538

約数の個数: 20

約数和(自身を含む): 457758972

約数和(自身を除く): 202397967

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 630521, 1891563, 3152605, 5674689, 9457815, 17024067, 28373445, 51072201, 85120335, 255361005]

約数ペア:

[(1, 255361005), (3, 85120335), (5, 51072201), (9, 28373445), (15, 17024067), (27, 9457815), (45, 5674689), (81, 3152605), (135, 1891563), (405, 630521)]