128319711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 195363840

約数和(自身を除く): 67044129

約数列:

[1, 3, 13, 19, 39, 57, 157, 247, 471, 741, 1103, 2041, 2983, 3309, 6123, 8949, 14339, 20957, 38779, 43017, 62871, 116337, 173171, 272441, 519513, 817323, 2251223, 3290249, 6753669, 9870747, 42773237, 128319711]

約数ペア:

[(1, 128319711), (3, 42773237), (13, 9870747), (19, 6753669), (39, 3290249), (57, 2251223), (157, 817323), (247, 519513), (471, 272441), (741, 173171), (1103, 116337), (2041, 62871), (2983, 43017), (3309, 38779), (6123, 20957), (8949, 14339)]