81013365

素因数分解:

$3^4\times 5^1\times {\mathrm{200033}}^1$

素因数の和:200050

約数の個数: 20

約数和(自身を含む): 145224684

約数和(自身を除く): 64211319

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 200033, 600099, 1000165, 1800297, 3000495, 5400891, 9001485, 16202673, 27004455, 81013365]

約数ペア:

[(1, 81013365), (3, 27004455), (5, 16202673), (9, 9001485), (15, 5400891), (27, 3000495), (45, 1800297), (81, 1000165), (135, 600099), (405, 200033)]