209212425

素因数分解:

$3^2\times 5^2\times {\mathrm{727}}^1\times {\mathrm{1279}}^1$

素因数の和:2022

約数の個数: 36

約数和(自身を含む): 375531520

約数和(自身を除く): 166319095

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 727, 1279, 2181, 3635, 3837, 6395, 6543, 10905, 11511, 18175, 19185, 31975, 32715, 54525, 57555, 95925, 163575, 287775, 929833, 2789499, 4649165, 8368497, 13947495, 23245825, 41842485, 69737475, 209212425]

約数ペア:

[(1, 209212425), (3, 69737475), (5, 41842485), (9, 23245825), (15, 13947495), (25, 8368497), (45, 4649165), (75, 2789499), (225, 929833), (727, 287775), (1279, 163575), (2181, 95925), (3635, 57555), (3837, 54525), (6395, 32715), (6543, 31975), (10905, 19185), (11511, 18175)]