81041205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1667}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 148598784

約数和(自身を除く): 67557579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 463, 1389, 1667, 2315, 3241, 5001, 6945, 8335, 9723, 11669, 16205, 25005, 35007, 48615, 58345, 175035, 771821, 2315463, 3859105, 5402747, 11577315, 16208241, 27013735, 81041205]

約数ペア:

[(1, 81041205), (3, 27013735), (5, 16208241), (7, 11577315), (15, 5402747), (21, 3859105), (35, 2315463), (105, 771821), (463, 175035), (1389, 58345), (1667, 48615), (2315, 35007), (3241, 25005), (5001, 16205), (6945, 11669), (8335, 9723)]