1951719

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 3545856

約数和(自身を除く): 1594137

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 71, 77, 119, 147, 187, 213, 231, 357, 497, 539, 561, 781, 833, 1207, 1309, 1491, 1617, 2343, 2499, 3479, 3621, 3927, 5467, 8449, 9163, 10437, 13277, 16401, 25347, 27489, 38269, 39831, 59143, 92939, 114807, 177429, 278817, 650573, 1951719]

約数ペア:

[(1, 1951719), (3, 650573), (7, 278817), (11, 177429), (17, 114807), (21, 92939), (33, 59143), (49, 39831), (51, 38269), (71, 27489), (77, 25347), (119, 16401), (147, 13277), (187, 10437), (213, 9163), (231, 8449), (357, 5467), (497, 3927), (539, 3621), (561, 3479), (781, 2499), (833, 2343), (1207, 1617), (1309, 1491)]