51605379

素因数分解:

$3^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 88504000

約数和(自身を除く): 36898621

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 229, 343, 441, 511, 657, 687, 1029, 1533, 1603, 2061, 3087, 3577, 4599, 4809, 10731, 11221, 14427, 16717, 25039, 32193, 33663, 50151, 75117, 78547, 100989, 117019, 150453, 225351, 235641, 351057, 706923, 819133, 1053171, 2457399, 5733931, 7372197, 17201793, 51605379]

約数ペア:

[(1, 51605379), (3, 17201793), (7, 7372197), (9, 5733931), (21, 2457399), (49, 1053171), (63, 819133), (73, 706923), (147, 351057), (219, 235641), (229, 225351), (343, 150453), (441, 117019), (511, 100989), (657, 78547), (687, 75117), (1029, 50151), (1533, 33663), (1603, 32193), (2061, 25039), (3087, 16717), (3577, 14427), (4599, 11221), (4809, 10731)]