1288125909

素因数分解:

$3^4\times 7^1\times {\mathrm{2271827}}^1$

素因数の和:2271846

約数の個数: 20

約数和(自身を含む): 2199129504

約数和(自身を除く): 911003595

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2271827, 6815481, 15902789, 20446443, 47708367, 61339329, 143125101, 184017987, 429375303, 1288125909]

約数ペア:

[(1, 1288125909), (3, 429375303), (7, 184017987), (9, 143125101), (21, 61339329), (27, 47708367), (63, 20446443), (81, 15902789), (189, 6815481), (567, 2271827)]