25506747

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 45527040

約数和(自身を除く): 20020293

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 607, 609, 667, 1449, 1821, 1827, 2001, 4249, 4669, 5463, 6003, 12747, 13961, 14007, 17603, 38241, 41883, 42021, 52809, 97727, 123221, 125649, 158427, 293181, 369663, 404869, 879543, 1108989, 1214607, 2834083, 3643821, 8502249, 25506747]

約数ペア:

[(1, 25506747), (3, 8502249), (7, 3643821), (9, 2834083), (21, 1214607), (23, 1108989), (29, 879543), (63, 404869), (69, 369663), (87, 293181), (161, 158427), (203, 125649), (207, 123221), (261, 97727), (483, 52809), (607, 42021), (609, 41883), (667, 38241), (1449, 17603), (1821, 14007), (1827, 13961), (2001, 12747), (4249, 6003), (4669, 5463)]