2609025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 4419360

約数和(自身を除く): 1810335

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 809, 1075, 2427, 3225, 4045, 12135, 20225, 34787, 60675, 104361, 173935, 521805, 869675, 2609025]

約数ペア:

[(1, 2609025), (3, 869675), (5, 521805), (15, 173935), (25, 104361), (43, 60675), (75, 34787), (129, 20225), (215, 12135), (645, 4045), (809, 3225), (1075, 2427)]