397693791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 657745920

約数和(自身を除く): 260052129

約数列:

[1, 3, 9, 11, 29, 33, 71, 87, 99, 213, 261, 319, 639, 781, 957, 1951, 2059, 2343, 2871, 5853, 6177, 7029, 17559, 18531, 21461, 22649, 56579, 64383, 67947, 138521, 169737, 193149, 203841, 415563, 509211, 622369, 1246689, 1523731, 1867107, 4017109, 4571193, 5601321, 12051327, 13713579, 36153981, 44188199, 132564597, 397693791]

約数ペア:

[(1, 397693791), (3, 132564597), (9, 44188199), (11, 36153981), (29, 13713579), (33, 12051327), (71, 5601321), (87, 4571193), (99, 4017109), (213, 1867107), (261, 1523731), (319, 1246689), (639, 622369), (781, 509211), (957, 415563), (1951, 203841), (2059, 193149), (2343, 169737), (2871, 138521), (5853, 67947), (6177, 64383), (7029, 56579), (17559, 22649), (18531, 21461)]