206564007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 306355392

約数和(自身を除く): 99791385

約数列:

[1, 3, 13, 37, 39, 111, 257, 481, 557, 771, 1443, 1671, 3341, 7241, 9509, 10023, 20609, 21723, 28527, 61827, 123617, 143149, 267917, 370851, 429447, 803751, 1860937, 5296513, 5582811, 15889539, 68854669, 206564007]

約数ペア:

[(1, 206564007), (3, 68854669), (13, 15889539), (37, 5582811), (39, 5296513), (111, 1860937), (257, 803751), (481, 429447), (557, 370851), (771, 267917), (1443, 143149), (1671, 123617), (3341, 61827), (7241, 28527), (9509, 21723), (10023, 20609)]