198666579

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 281698560

約数和(自身を除く): 83031981

約数列:

[1, 3, 37, 43, 107, 111, 129, 321, 389, 1167, 1591, 3959, 4601, 4773, 11877, 13803, 14393, 16727, 41623, 43179, 50181, 124869, 170237, 510711, 618899, 1540051, 1789789, 1856697, 4620153, 5369367, 66222193, 198666579]

約数ペア:

[(1, 198666579), (3, 66222193), (37, 5369367), (43, 4620153), (107, 1856697), (111, 1789789), (129, 1540051), (321, 618899), (389, 510711), (1167, 170237), (1591, 124869), (3959, 50181), (4601, 43179), (4773, 41623), (11877, 16727), (13803, 14393)]