211728993

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{170887}}^1$

素因数の和:170956

約数の個数: 16

約数和(自身を含む): 328104960

約数和(自身を除く): 116375967

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 170887, 512661, 1196209, 3588627, 10082333, 30246999, 70576331, 211728993]

約数ペア:

[(1, 211728993), (3, 70576331), (7, 30246999), (21, 10082333), (59, 3588627), (177, 1196209), (413, 512661), (1239, 170887)]