243996981

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 348201600

約数和(自身を除く): 104204619

約数列:

[1, 3, 29, 37, 87, 111, 229, 331, 687, 993, 1073, 3219, 6641, 8473, 9599, 12247, 19923, 25419, 28797, 36741, 75799, 227397, 245717, 355163, 737151, 1065489, 2198171, 2804563, 6594513, 8413689, 81332327, 243996981]

約数ペア:

[(1, 243996981), (3, 81332327), (29, 8413689), (37, 6594513), (87, 2804563), (111, 2198171), (229, 1065489), (331, 737151), (687, 355163), (993, 245717), (1073, 227397), (3219, 75799), (6641, 36741), (8473, 28797), (9599, 25419), (12247, 19923)]