207855297

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{136657}}^1$

素因数の和:136689

約数の個数: 18

約数和(自身を含む): 325109382

約数和(自身を除く): 117254085

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 136657, 409971, 1229913, 1776541, 5329623, 15988869, 23095033, 69285099, 207855297]

約数ペア:

[(1, 207855297), (3, 69285099), (9, 23095033), (13, 15988869), (39, 5329623), (117, 1776541), (169, 1229913), (507, 409971), (1521, 136657)]