11820285

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 20609784

約数和(自身を除く): 8789499

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1361, 1737, 2895, 4083, 6805, 8685, 12249, 20415, 61245, 262673, 788019, 1313365, 2364057, 3940095, 11820285]

約数ペア:

[(1, 11820285), (3, 3940095), (5, 2364057), (9, 1313365), (15, 788019), (45, 262673), (193, 61245), (579, 20415), (965, 12249), (1361, 8685), (1737, 6805), (2895, 4083)]