81401075

素因数分解:

$5^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1009}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 115721760

約数和(自身を除く): 34320685

約数列:

[1, 5, 7, 25, 35, 175, 461, 1009, 2305, 3227, 5045, 7063, 11525, 16135, 25225, 35315, 80675, 176575, 465149, 2325745, 3256043, 11628725, 16280215, 81401075]

約数ペア:

[(1, 81401075), (5, 16280215), (7, 11628725), (25, 3256043), (35, 2325745), (175, 465149), (461, 176575), (1009, 80675), (2305, 35315), (3227, 25225), (5045, 16135), (7063, 11525)]