2087505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^2$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 4333440

約数和(自身を除く): 2245935

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 135, 141, 189, 235, 315, 329, 423, 705, 945, 987, 1269, 1645, 2115, 2209, 2961, 4935, 6345, 6627, 8883, 11045, 14805, 15463, 19881, 33135, 44415, 46389, 59643, 77315, 99405, 139167, 231945, 298215, 417501, 695835, 2087505]

約数ペア:

[(1, 2087505), (3, 695835), (5, 417501), (7, 298215), (9, 231945), (15, 139167), (21, 99405), (27, 77315), (35, 59643), (45, 46389), (47, 44415), (63, 33135), (105, 19881), (135, 15463), (141, 14805), (189, 11045), (235, 8883), (315, 6627), (329, 6345), (423, 4935), (705, 2961), (945, 2209), (987, 2115), (1269, 1645)]