138091779

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{7481}}^1$

素因数の和:7787

約数の個数: 24

約数和(自身を含む): 228769632

約数和(自身を除く): 90677853

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 2051, 2637, 6153, 7481, 18459, 22443, 52367, 67329, 157101, 471303, 2191933, 6575799, 15343531, 19727397, 46030593, 138091779]

約数ペア:

[(1, 138091779), (3, 46030593), (7, 19727397), (9, 15343531), (21, 6575799), (63, 2191933), (293, 471303), (879, 157101), (2051, 67329), (2637, 52367), (6153, 22443), (7481, 18459)]