1640442807

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{906823}}^1$

素因数の和:906899

約数の個数: 16

約数和(自身を含む): 2466561280

約数和(自身を除く): 826118473

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 906823, 2720469, 8161407, 24484221, 60757141, 182271423, 546814269, 1640442807]

約数ペア:

[(1, 1640442807), (3, 546814269), (9, 182271423), (27, 60757141), (67, 24484221), (201, 8161407), (603, 2720469), (1809, 906823)]