199067997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 289336320

約数和(自身を除く): 90268323

約数列:

[1, 3, 19, 41, 57, 103, 123, 309, 779, 827, 1957, 2337, 2481, 4223, 5871, 12669, 15713, 33907, 47139, 80237, 85181, 101721, 240711, 255543, 644233, 1618439, 1932699, 3492421, 4855317, 10477263, 66355999, 199067997]

約数ペア:

[(1, 199067997), (3, 66355999), (19, 10477263), (41, 4855317), (57, 3492421), (103, 1932699), (123, 1618439), (309, 644233), (779, 255543), (827, 240711), (1957, 101721), (2337, 85181), (2481, 80237), (4223, 47139), (5871, 33907), (12669, 15713)]