3144519

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 5690880

約数和(自身を除く): 2546361

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 71, 111, 133, 171, 213, 259, 333, 399, 497, 639, 703, 777, 1197, 1349, 1491, 2109, 2331, 2627, 4047, 4473, 4921, 6327, 7881, 9443, 12141, 14763, 18389, 23643, 28329, 44289, 49913, 55167, 84987, 149739, 165501, 349391, 449217, 1048173, 3144519]

約数ペア:

[(1, 3144519), (3, 1048173), (7, 449217), (9, 349391), (19, 165501), (21, 149739), (37, 84987), (57, 55167), (63, 49913), (71, 44289), (111, 28329), (133, 23643), (171, 18389), (213, 14763), (259, 12141), (333, 9443), (399, 7881), (497, 6327), (639, 4921), (703, 4473), (777, 4047), (1197, 2627), (1349, 2331), (1491, 2109)]