209725901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{13687}}^1$

素因数の和:13904

約数の個数: 16

約数和(自身を含む): 262809600

約数和(自身を除く): 53083699

約数列:

[1, 7, 11, 77, 199, 1393, 2189, 13687, 15323, 95809, 150557, 1053899, 2723713, 19065991, 29960843, 209725901]

約数ペア:

[(1, 209725901), (7, 29960843), (11, 19065991), (77, 2723713), (199, 1053899), (1393, 150557), (2189, 95809), (13687, 15323)]