256210965

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17737}}^1$

素因数の和:17858

約数の個数: 32

約数和(自身を含む): 459768960

約数和(自身を除く): 203557995

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 2889, 4815, 14445, 17737, 53211, 88685, 159633, 266055, 478899, 798165, 1897859, 2394495, 5693577, 9489295, 17080731, 28467885, 51242193, 85403655, 256210965]

約数ペア:

[(1, 256210965), (3, 85403655), (5, 51242193), (9, 28467885), (15, 17080731), (27, 9489295), (45, 5693577), (107, 2394495), (135, 1897859), (321, 798165), (535, 478899), (963, 266055), (1605, 159633), (2889, 88685), (4815, 53211), (14445, 17737)]