138820017

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{52051}}^1$

素因数の和:52188

約数の個数: 16

約数和(自身を含む): 213204992

約数和(自身を除く): 74384975

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 52051, 156153, 364357, 1093071, 6610477, 19831431, 46273339, 138820017]

約数ペア:

[(1, 138820017), (3, 46273339), (7, 19831431), (21, 6610477), (127, 1093071), (381, 364357), (889, 156153), (2667, 52051)]