1989927

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1155033

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 431, 513, 1293, 1539, 3879, 4617, 8189, 11637, 24567, 34911, 73701, 104733, 221103, 663309, 1989927]

約数ペア:

[(1, 1989927), (3, 663309), (9, 221103), (19, 104733), (27, 73701), (57, 34911), (81, 24567), (171, 11637), (243, 8189), (431, 4617), (513, 3879), (1293, 1539)]