28927269

素因数分解:

$3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1231}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 47919872

約数和(自身を除く): 18992603

約数列:

[1, 3, 7, 9, 21, 63, 373, 1119, 1231, 2611, 3357, 3693, 7833, 8617, 11079, 23499, 25851, 77553, 459163, 1377489, 3214141, 4132467, 9642423, 28927269]

約数ペア:

[(1, 28927269), (3, 9642423), (7, 4132467), (9, 3214141), (21, 1377489), (63, 459163), (373, 77553), (1119, 25851), (1231, 23499), (2611, 11079), (3357, 8617), (3693, 7833)]