255480826041

素因数分解:

$3^2\times 7^2\times {\mathrm{579321601}}^1$

素因数の和:579321621

約数の個数: 18

約数和(自身を含む): 429277307082

約数和(自身を除く): 173796481041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 579321601, 1737964803, 4055251207, 5213894409, 12165753621, 28386758449, 36497260863, 85160275347, 255480826041]

約数ペア:

[(1, 255480826041), (3, 85160275347), (7, 36497260863), (9, 28386758449), (21, 12165753621), (49, 5213894409), (63, 4055251207), (147, 1737964803), (441, 579321601)]