211025385

素因数分解:

$3^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1531}}^1$

素因数の和:2566

約数の個数: 32

約数和(自身を含む): 375768960

約数和(自身を除く): 164743575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1021, 1531, 3063, 4593, 5105, 7655, 9189, 13779, 15315, 22965, 27567, 41337, 45945, 68895, 137835, 206685, 1563151, 4689453, 7815755, 14068359, 23447265, 42205077, 70341795, 211025385]

約数ペア:

[(1, 211025385), (3, 70341795), (5, 42205077), (9, 23447265), (15, 14068359), (27, 7815755), (45, 4689453), (135, 1563151), (1021, 206685), (1531, 137835), (3063, 68895), (4593, 45945), (5105, 41337), (7655, 27567), (9189, 22965), (13779, 15315)]