207970497

素因数分解:

$3^4\times 7^1\times {\mathrm{366791}}^1$

素因数の和:366810

約数の個数: 20

約数和(自身を含む): 355054656

約数和(自身を除く): 147084159

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 366791, 1100373, 2567537, 3301119, 7702611, 9903357, 23107833, 29710071, 69323499, 207970497]

約数ペア:

[(1, 207970497), (3, 69323499), (7, 29710071), (9, 23107833), (21, 9903357), (27, 7702611), (63, 3301119), (81, 2567537), (189, 1100373), (567, 366791)]