27939009

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28307}}^1$

素因数の和:28364

約数の個数: 16

約数和(自身を含む): 43481088

約数和(自身を除く): 15542079

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 28307, 84921, 198149, 594447, 1330429, 3991287, 9313003, 27939009]

約数ペア:

[(1, 27939009), (3, 9313003), (7, 3991287), (21, 1330429), (47, 594447), (141, 198149), (329, 84921), (987, 28307)]