663309

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 20

約数和(自身を含む): 1045440

約数和(自身を除く): 382131

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 431, 513, 1293, 1539, 3879, 8189, 11637, 24567, 34911, 73701, 221103, 663309]

約数ペア:

[(1, 663309), (3, 221103), (9, 73701), (19, 34911), (27, 24567), (57, 11637), (81, 8189), (171, 3879), (431, 1539), (513, 1293)]