31961391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 53803008

約数和(自身を除く): 21841617

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 1667, 1743, 2739, 5001, 6391, 11669, 18337, 19173, 35007, 55011, 128359, 138361, 385077, 415083, 968527, 1521971, 2905581, 4565913, 10653797, 31961391]

約数ペア:

[(1, 31961391), (3, 10653797), (7, 4565913), (11, 2905581), (21, 1521971), (33, 968527), (77, 415083), (83, 385077), (231, 138361), (249, 128359), (581, 55011), (913, 35007), (1667, 19173), (1743, 18337), (2739, 11669), (5001, 6391)]