212966702451

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{639539647}}^1$

素因数の和:639539690

約数の個数: 12

約数和(自身を含む): 315932586112

約数和(自身を除く): 102965883661

約数列:

[1, 3, 9, 37, 111, 333, 639539647, 1918618941, 5755856823, 23662966939, 70988900817, 212966702451]

約数ペア:

[(1, 212966702451), (3, 70988900817), (9, 23662966939), (37, 5755856823), (111, 1918618941), (333, 639539647)]