205501359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{515041}}^1$

素因数の和:515070

約数の個数: 16

約数和(自身を含む): 329626880

約数和(自身を除く): 124125521

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 515041, 1545123, 3605287, 9785779, 10815861, 29357337, 68500453, 205501359]

約数ペア:

[(1, 205501359), (3, 68500453), (7, 29357337), (19, 10815861), (21, 9785779), (57, 3605287), (133, 1545123), (399, 515041)]