1281996291

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{335689}}^1$

素因数の和:335778

約数の個数: 16

約数和(自身を含む): 1826153600

約数和(自身を除く): 544157309

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 335689, 1007067, 6378091, 19134273, 22491163, 67473489, 427332097, 1281996291]

約数ペア:

[(1, 1281996291), (3, 427332097), (19, 67473489), (57, 22491163), (67, 19134273), (201, 6378091), (1273, 1007067), (3819, 335689)]