166642785

素因数分解:

$3^3\times 5^1\times {\mathrm{1234391}}^1$

素因数の和:1234405

約数の個数: 16

約数和(自身を含む): 296254080

約数和(自身を除く): 129611295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1234391, 3703173, 6171955, 11109519, 18515865, 33328557, 55547595, 166642785]

約数ペア:

[(1, 166642785), (3, 55547595), (5, 33328557), (9, 18515865), (15, 11109519), (27, 6171955), (45, 3703173), (135, 1234391)]