51390003

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 86117120

約数和(自身を除く): 34727117

約数列:

[1, 3, 7, 19, 21, 37, 57, 59, 111, 133, 177, 259, 399, 413, 703, 777, 1121, 1239, 2109, 2183, 3363, 3481, 4921, 6549, 7847, 10443, 14763, 15281, 23541, 24367, 41477, 45843, 66139, 73101, 124431, 128797, 198417, 290339, 386391, 462973, 871017, 901579, 1388919, 2447143, 2704737, 7341429, 17130001, 51390003]

約数ペア:

[(1, 51390003), (3, 17130001), (7, 7341429), (19, 2704737), (21, 2447143), (37, 1388919), (57, 901579), (59, 871017), (111, 462973), (133, 386391), (177, 290339), (259, 198417), (399, 128797), (413, 124431), (703, 73101), (777, 66139), (1121, 45843), (1239, 41477), (2109, 24367), (2183, 23541), (3363, 15281), (3481, 14763), (4921, 10443), (6549, 7847)]