199979259

素因数分解:

$3^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1\times {\mathrm{733}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 268890624

約数和(自身を除く): 68911365

約数列:

[1, 3, 211, 431, 633, 733, 1293, 2199, 90941, 154663, 272823, 315923, 463989, 947769, 66659753, 199979259]

約数ペア:

[(1, 199979259), (3, 66659753), (211, 947769), (431, 463989), (633, 315923), (733, 272823), (1293, 154663), (2199, 90941)]