212947887

素因数分解:

$3^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 286813440

約数和(自身を除く): 73865553

約数列:

[1, 3, 179, 257, 537, 771, 1543, 4629, 46003, 138009, 276197, 396551, 828591, 1189653, 70982629, 212947887]

約数ペア:

[(1, 212947887), (3, 70982629), (179, 1189653), (257, 828591), (537, 396551), (771, 276197), (1543, 138009), (4629, 46003)]