205340961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{514639}}^1$

素因数の和:514668

約数の個数: 16

約数和(自身を含む): 329369600

約数和(自身を除く): 124028639

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 514639, 1543917, 3602473, 9778141, 10807419, 29334423, 68446987, 205340961]

約数ペア:

[(1, 205340961), (3, 68446987), (7, 29334423), (19, 10807419), (21, 9778141), (57, 3602473), (133, 1543917), (399, 514639)]