128974275

素因数分解:

$3^4\times 5^2\times {\mathrm{63691}}^1$

素因数の和:63713

約数の個数: 30

約数和(自身を含む): 238908692

約数和(自身を除く): 109934417

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 63691, 191073, 318455, 573219, 955365, 1592275, 1719657, 2866095, 4776825, 5158971, 8598285, 14330475, 25794855, 42991425, 128974275]

約数ペア:

[(1, 128974275), (3, 42991425), (5, 25794855), (9, 14330475), (15, 8598285), (25, 5158971), (27, 4776825), (45, 2866095), (75, 1719657), (81, 1592275), (135, 955365), (225, 573219), (405, 318455), (675, 191073), (2025, 63691)]