28681401

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36913}}^1$

素因数の和:36960

約数の個数: 16

約数和(自身を含む): 44887424

約数和(自身を除く): 16206023

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36913, 110739, 258391, 775173, 1365781, 4097343, 9560467, 28681401]

約数ペア:

[(1, 28681401), (3, 9560467), (7, 4097343), (21, 1365781), (37, 775173), (111, 258391), (259, 110739), (777, 36913)]