2581245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3019}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 4711200

約数和(自身を除く): 2129955

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 3019, 9057, 15095, 27171, 45285, 57361, 135855, 172083, 286805, 516249, 860415, 2581245]

約数ペア:

[(1, 2581245), (3, 860415), (5, 516249), (9, 286805), (15, 172083), (19, 135855), (45, 57361), (57, 45285), (95, 27171), (171, 15095), (285, 9057), (855, 3019)]