2187585

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 3827304

約数和(自身を除く): 1639719

約数列:

[1, 3, 5, 9, 15, 45, 173, 281, 519, 843, 865, 1405, 1557, 2529, 2595, 4215, 7785, 12645, 48613, 145839, 243065, 437517, 729195, 2187585]

約数ペア:

[(1, 2187585), (3, 729195), (5, 437517), (9, 243065), (15, 145839), (45, 48613), (173, 12645), (281, 7785), (519, 4215), (843, 2595), (865, 2529), (1405, 1557)]