1870155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 3801600

約数和(自身を除く): 1931445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1979, 5937, 9895, 13853, 17811, 29685, 41559, 53433, 69265, 89055, 124677, 207795, 267165, 374031, 623385, 1870155]

約数ペア:

[(1, 1870155), (3, 623385), (5, 374031), (7, 267165), (9, 207795), (15, 124677), (21, 89055), (27, 69265), (35, 53433), (45, 41559), (63, 29685), (105, 17811), (135, 13853), (189, 9895), (315, 5937), (945, 1979)]