204804945

素因数分解:

$3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{5783}}^1$

素因数の和:6581

約数の個数: 24

約数和(自身を含む): 355507776

約数和(自身を除く): 150702831

約数列:

[1, 3, 5, 9, 15, 45, 787, 2361, 3935, 5783, 7083, 11805, 17349, 28915, 35415, 52047, 86745, 260235, 4551221, 13653663, 22756105, 40960989, 68268315, 204804945]

約数ペア:

[(1, 204804945), (3, 68268315), (5, 40960989), (9, 22756105), (15, 13653663), (45, 4551221), (787, 260235), (2361, 86745), (3935, 52047), (5783, 35415), (7083, 28915), (11805, 17349)]