81015913

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 95223744

約数和(自身を除く): 14207831

約数列:

[1, 11, 23, 43, 121, 253, 473, 677, 989, 2783, 5203, 7447, 10879, 15571, 29111, 81917, 119669, 171281, 320221, 669553, 1884091, 3522431, 7365083, 81015913]

約数ペア:

[(1, 81015913), (11, 7365083), (23, 3522431), (43, 1884091), (121, 669553), (253, 320221), (473, 171281), (677, 119669), (989, 81917), (2783, 29111), (5203, 15571), (7447, 10879)]