7212009

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7307}}^1$

素因数の和:7364

約数の個数: 16

約数和(自身を含む): 11225088

約数和(自身を除く): 4013079

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 7307, 21921, 51149, 153447, 343429, 1030287, 2404003, 7212009]

約数ペア:

[(1, 7212009), (3, 2404003), (7, 1030287), (21, 343429), (47, 153447), (141, 51149), (329, 21921), (987, 7307)]