247571457

素因数分解:

$3^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{13291}}^1$

素因数の和:14188

約数の個数: 16

約数和(自身を含む): 377705472

約数和(自身を除く): 130134015

約数列:

[1, 3, 7, 21, 887, 2661, 6209, 13291, 18627, 39873, 93037, 279111, 11789117, 35367351, 82523819, 247571457]

約数ペア:

[(1, 247571457), (3, 82523819), (7, 35367351), (21, 11789117), (887, 279111), (2661, 93037), (6209, 39873), (13291, 18627)]