164290275

素因数分解:

$3^4\times 5^2\times {\mathrm{81131}}^1$

素因数の和:81153

約数の個数: 30

約数和(自身を含む): 304326132

約数和(自身を除く): 140035857

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 81131, 243393, 405655, 730179, 1216965, 2028275, 2190537, 3650895, 6084825, 6571611, 10952685, 18254475, 32858055, 54763425, 164290275]

約数ペア:

[(1, 164290275), (3, 54763425), (5, 32858055), (9, 18254475), (15, 10952685), (25, 6571611), (27, 6084825), (45, 3650895), (75, 2190537), (81, 2028275), (135, 1216965), (225, 730179), (405, 405655), (675, 243393), (2025, 81131)]