15964137

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 11711511

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 83, 129, 213, 249, 301, 387, 497, 581, 639, 747, 903, 1491, 1743, 2709, 3053, 3569, 4473, 5229, 5893, 9159, 10707, 17679, 21371, 24983, 27477, 32121, 41251, 53037, 64113, 74949, 123753, 192339, 224847, 253399, 371259, 760197, 1773793, 2280591, 5321379, 15964137]

約数ペア:

[(1, 15964137), (3, 5321379), (7, 2280591), (9, 1773793), (21, 760197), (43, 371259), (63, 253399), (71, 224847), (83, 192339), (129, 123753), (213, 74949), (249, 64113), (301, 53037), (387, 41251), (497, 32121), (581, 27477), (639, 24983), (747, 21371), (903, 17679), (1491, 10707), (1743, 9159), (2709, 5893), (3053, 5229), (3569, 4473)]