1557981

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{3037}}^1$

素因数の和:3065

約数の個数: 16

約数和(自身を含む): 2430400

約数和(自身を除く): 872419

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 3037, 9111, 27333, 57703, 81999, 173109, 519327, 1557981]

約数ペア:

[(1, 1557981), (3, 519327), (9, 173109), (19, 81999), (27, 57703), (57, 27333), (171, 9111), (513, 3037)]