213954843

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{47137}}^1$

素因数の和:47246

約数の個数: 16

約数和(自身を含む): 305454240

約数和(自身を除く): 91499397

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 47137, 141411, 801329, 2403987, 4195193, 12585579, 71318281, 213954843]

約数ペア:

[(1, 213954843), (3, 71318281), (17, 12585579), (51, 4195193), (89, 2403987), (267, 801329), (1513, 141411), (4539, 47137)]