8673021

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 14854400

約数和(自身を除く): 6181379

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 421, 763, 981, 1263, 2289, 2943, 2947, 3789, 6867, 8841, 11367, 20601, 26523, 45889, 79569, 137667, 321223, 413001, 963669, 1239003, 2891007, 8673021]

約数ペア:

[(1, 8673021), (3, 2891007), (7, 1239003), (9, 963669), (21, 413001), (27, 321223), (63, 137667), (109, 79569), (189, 45889), (327, 26523), (421, 20601), (763, 11367), (981, 8841), (1263, 6867), (2289, 3789), (2943, 2947)]