81782517

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 119595520

約数和(自身を除く): 37813003

約数列:

[1, 3, 19, 43, 57, 61, 129, 183, 547, 817, 1159, 1641, 2451, 2623, 3477, 7869, 10393, 23521, 31179, 33367, 49837, 70563, 100101, 149511, 446899, 633973, 1340697, 1434781, 1901919, 4304343, 27260839, 81782517]

約数ペア:

[(1, 81782517), (3, 27260839), (19, 4304343), (43, 1901919), (57, 1434781), (61, 1340697), (129, 633973), (183, 446899), (547, 149511), (817, 100101), (1159, 70563), (1641, 49837), (2451, 33367), (2623, 31179), (3477, 23521), (7869, 10393)]