55719951

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 90647040

約数和(自身を除く): 34927089

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 1913, 4161, 5739, 9709, 13391, 29127, 36347, 40173, 109041, 139649, 254429, 418947, 763287, 977543, 2653331, 2932629, 7959993, 18573317, 55719951]

約数ペア:

[(1, 55719951), (3, 18573317), (7, 7959993), (19, 2932629), (21, 2653331), (57, 977543), (73, 763287), (133, 418947), (219, 254429), (399, 139649), (511, 109041), (1387, 40173), (1533, 36347), (1913, 29127), (4161, 13391), (5739, 9709)]