28103610087

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{115657}}^1$

素因数の和:115725

約数の個数: 72

約数和(自身を含む): 51421546800

約数和(自身を除く): 23317936713

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 133, 147, 171, 203, 261, 399, 441, 551, 609, 931, 1197, 1421, 1653, 1827, 2793, 3857, 4263, 4959, 8379, 11571, 12789, 26999, 34713, 80997, 115657, 242991, 346971, 809599, 1040913, 2197483, 2428797, 3354053, 5667193, 6592449, 7286391, 10062159, 15382381, 17001579, 19777347, 23478371, 30186477, 46147143, 51004737, 63727007, 70435113, 107676667, 138441429, 164348597, 191181021, 211305339, 323030001, 446089049, 493045791, 573543063, 969090003, 1338267147, 1479137373, 3122623343, 4014801441, 9367870029, 28103610087]

約数ペア:

[(1, 28103610087), (3, 9367870029), (7, 4014801441), (9, 3122623343), (19, 1479137373), (21, 1338267147), (29, 969090003), (49, 573543063), (57, 493045791), (63, 446089049), (87, 323030001), (133, 211305339), (147, 191181021), (171, 164348597), (203, 138441429), (261, 107676667), (399, 70435113), (441, 63727007), (551, 51004737), (609, 46147143), (931, 30186477), (1197, 23478371), (1421, 19777347), (1653, 17001579), (1827, 15382381), (2793, 10062159), (3857, 7286391), (4263, 6592449), (4959, 5667193), (8379, 3354053), (11571, 2428797), (12789, 2197483), (26999, 1040913), (34713, 809599), (80997, 346971), (115657, 242991)]