51205365

素因数分解:

$3^4\times 5^1\times {\mathrm{126433}}^1$

素因数の和:126450

約数の個数: 20

約数和(自身を含む): 91791084

約数和(自身を除く): 40585719

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 126433, 379299, 632165, 1137897, 1896495, 3413691, 5689485, 10241073, 17068455, 51205365]

約数ペア:

[(1, 51205365), (3, 17068455), (5, 10241073), (9, 5689485), (15, 3413691), (27, 1896495), (45, 1137897), (81, 632165), (135, 379299), (405, 126433)]