439969989

素因数分解:

$3^1\times {\mathrm{307}}^1\times {\mathrm{607}}^1\times {\mathrm{787}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 590256128

約数和(自身を除く): 150286139

約数列:

[1, 3, 307, 607, 787, 921, 1821, 2361, 186349, 241609, 477709, 559047, 724827, 1433127, 146656663, 439969989]

約数ペア:

[(1, 439969989), (3, 146656663), (307, 1433127), (607, 724827), (787, 559047), (921, 477709), (1821, 241609), (2361, 186349)]