256822785

素因数分解:

$3^3\times 5^1\times {\mathrm{1902391}}^1$

素因数の和:1902405

約数の個数: 16

約数和(自身を含む): 456574080

約数和(自身を除く): 199751295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1902391, 5707173, 9511955, 17121519, 28535865, 51364557, 85607595, 256822785]

約数ペア:

[(1, 256822785), (3, 85607595), (5, 51364557), (9, 28535865), (15, 17121519), (27, 9511955), (45, 5707173), (135, 1902391)]