210255

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 16

約数和(自身を含む): 342144

約数和(自身を除く): 131889

約数列:

[1, 3, 5, 15, 107, 131, 321, 393, 535, 655, 1605, 1965, 14017, 42051, 70085, 210255]

約数ペア:

[(1, 210255), (3, 70085), (5, 42051), (15, 14017), (107, 1965), (131, 1605), (321, 655), (393, 535)]