51471441

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19927}}^1$

素因数の和:19981

約数の個数: 24

約数和(自身を含む): 87045504

約数和(自身を除く): 35574063

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 19927, 59781, 139489, 179343, 418467, 817007, 1255401, 2451021, 5719049, 7353063, 17157147, 51471441]

約数ペア:

[(1, 51471441), (3, 17157147), (7, 7353063), (9, 5719049), (21, 2451021), (41, 1255401), (63, 817007), (123, 418467), (287, 179343), (369, 139489), (861, 59781), (2583, 19927)]