11991975

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 19998720

約数和(自身を除く): 8006745

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1259, 1905, 3175, 3777, 6295, 9525, 18885, 31475, 94425, 159893, 479679, 799465, 2398395, 3997325, 11991975]

約数ペア:

[(1, 11991975), (3, 3997325), (5, 2398395), (15, 799465), (25, 479679), (75, 159893), (127, 94425), (381, 31475), (635, 18885), (1259, 9525), (1905, 6295), (3175, 3777)]