78717171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 43210509

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 741, 779, 1599, 2337, 2591, 7773, 10127, 30381, 33683, 49229, 101049, 106231, 147687, 318693, 639977, 1381003, 1919931, 2018389, 4143009, 6055167, 26239057, 78717171]

約数ペア:

[(1, 78717171), (3, 26239057), (13, 6055167), (19, 4143009), (39, 2018389), (41, 1919931), (57, 1381003), (123, 639977), (247, 318693), (533, 147687), (741, 106231), (779, 101049), (1599, 49229), (2337, 33683), (2591, 30381), (7773, 10127)]