2493807

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 3557760

約数和(自身を除く): 1063953

約数列:

[1, 3, 19, 57, 67, 201, 653, 1273, 1959, 3819, 12407, 37221, 43751, 131253, 831269, 2493807]

約数ペア:

[(1, 2493807), (3, 831269), (19, 131253), (57, 43751), (67, 37221), (201, 12407), (653, 3819), (1273, 1959)]