245565

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 466560

約数和(自身を除く): 220995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 107, 135, 153, 255, 321, 459, 535, 765, 963, 1605, 1819, 2295, 2889, 4815, 5457, 9095, 14445, 16371, 27285, 49113, 81855, 245565]

約数ペア:

[(1, 245565), (3, 81855), (5, 49113), (9, 27285), (15, 16371), (17, 14445), (27, 9095), (45, 5457), (51, 4815), (85, 2889), (107, 2295), (135, 1819), (153, 1605), (255, 963), (321, 765), (459, 535)]