1385405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 1983744

約数和(自身を除く): 598339

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1721, 8605, 12047, 39583, 60235, 197915, 277081, 1385405]

約数ペア:

[(1, 1385405), (5, 277081), (7, 197915), (23, 60235), (35, 39583), (115, 12047), (161, 8605), (805, 1721)]