1981770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{9437}}^1$

素因数の和:9454

約数の個数: 32

約数和(自身を含む): 5436288

約数和(自身を除く): 3454518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 9437, 18874, 28311, 47185, 56622, 66059, 94370, 132118, 141555, 198177, 283110, 330295, 396354, 660590, 990885, 1981770]

約数ペア:

[(1, 1981770), (2, 990885), (3, 660590), (5, 396354), (6, 330295), (7, 283110), (10, 198177), (14, 141555), (15, 132118), (21, 94370), (30, 66059), (35, 56622), (42, 47185), (70, 28311), (105, 18874), (210, 9437)]