987150969

素因数分解:

$3^4\times 7^1\times {\mathrm{1741007}}^1$

素因数の和:1741026

約数の個数: 20

約数和(自身を含む): 1685295744

約数和(自身を除く): 698144775

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1741007, 5223021, 12187049, 15669063, 36561147, 47007189, 109683441, 141021567, 329050323, 987150969]

約数ペア:

[(1, 987150969), (3, 329050323), (7, 141021567), (9, 109683441), (21, 47007189), (27, 36561147), (63, 15669063), (81, 12187049), (189, 5223021), (567, 1741007)]