20153421

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10513}}^1$

素因数の和:10593

約数の個数: 16

約数和(自身を含む): 30280320

約数和(自身を除く): 10126899

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10513, 31539, 94617, 283851, 746423, 2239269, 6717807, 20153421]

約数ペア:

[(1, 20153421), (3, 6717807), (9, 2239269), (27, 746423), (71, 283851), (213, 94617), (639, 31539), (1917, 10513)]