72123681

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{27043}}^1$

素因数の和:27180

約数の個数: 16

約数和(自身を含む): 110772224

約数和(自身を除く): 38648543

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 27043, 81129, 189301, 567903, 3434461, 10303383, 24041227, 72123681]

約数ペア:

[(1, 72123681), (3, 24041227), (7, 10303383), (21, 3434461), (127, 567903), (381, 189301), (889, 81129), (2667, 27043)]