81438105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{775601}}^1$

素因数の和:775616

約数の個数: 16

約数和(自身を含む): 148915584

約数和(自身を除く): 67477479

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 775601, 2326803, 3878005, 5429207, 11634015, 16287621, 27146035, 81438105]

約数ペア:

[(1, 81438105), (3, 27146035), (5, 16287621), (7, 11634015), (15, 5429207), (21, 3878005), (35, 2326803), (105, 775601)]