681660693

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{230213}}^1$

素因数の和:230273

約数の個数: 24

約数和(自身を含む): 1149228288

約数和(自身を除く): 467567595

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 230213, 690639, 1611491, 2071917, 4834473, 10820011, 14503419, 32460033, 75740077, 97380099, 227220231, 681660693]

約数ペア:

[(1, 681660693), (3, 227220231), (7, 97380099), (9, 75740077), (21, 32460033), (47, 14503419), (63, 10820011), (141, 4834473), (329, 2071917), (423, 1611491), (987, 690639), (2961, 230213)]