5209971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 8064000

約数和(自身を除く): 2854029

約数列:

[1, 3, 13, 19, 39, 57, 79, 89, 237, 247, 267, 741, 1027, 1157, 1501, 1691, 3081, 3471, 4503, 5073, 7031, 19513, 21093, 21983, 58539, 65949, 91403, 133589, 274209, 400767, 1736657, 5209971]

約数ペア:

[(1, 5209971), (3, 1736657), (13, 400767), (19, 274209), (39, 133589), (57, 91403), (79, 65949), (89, 58539), (237, 21983), (247, 21093), (267, 19513), (741, 7031), (1027, 5073), (1157, 4503), (1501, 3471), (1691, 3081)]