209056479

素因数分解:

$3^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1\times {\mathrm{1481}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 281508864

約数和(自身を除く): 72452385

約数列:

[1, 3, 211, 223, 633, 669, 1481, 4443, 47053, 141159, 312491, 330263, 937473, 990789, 69685493, 209056479]

約数ペア:

[(1, 209056479), (3, 69685493), (211, 990789), (223, 937473), (633, 330263), (669, 312491), (1481, 141159), (4443, 47053)]