201520893

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181061}}^1$

素因数の和:181124

約数の個数: 16

約数和(自身を含む): 312875136

約数和(自身を除く): 111354243

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 181061, 543183, 1267427, 3802281, 9596233, 28788699, 67173631, 201520893]

約数ペア:

[(1, 201520893), (3, 67173631), (7, 28788699), (21, 9596233), (53, 3802281), (159, 1267427), (371, 543183), (1113, 181061)]