168561939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32497}}^1$

素因数の和:32539

約数の個数: 32

約数和(自身を含む): 291182080

約数和(自身を除く): 122620141

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 32497, 97491, 227479, 422461, 617443, 682437, 1267383, 1852329, 2957227, 4322101, 8026759, 8871681, 12966303, 24080277, 56187313, 168561939]

約数ペア:

[(1, 168561939), (3, 56187313), (7, 24080277), (13, 12966303), (19, 8871681), (21, 8026759), (39, 4322101), (57, 2957227), (91, 1852329), (133, 1267383), (247, 682437), (273, 617443), (399, 422461), (741, 227479), (1729, 97491), (5187, 32497)]