20131475049

素因数分解:

$3^4\times 7^1\times {\mathrm{35505247}}^1$

素因数の和:35505266

約数の個数: 20

約数和(自身を含む): 34369080064

約数和(自身を除く): 14237605015

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35505247, 106515741, 248536729, 319547223, 745610187, 958641669, 2236830561, 2875925007, 6710491683, 20131475049]

約数ペア:

[(1, 20131475049), (3, 6710491683), (7, 2875925007), (9, 2236830561), (21, 958641669), (27, 745610187), (63, 319547223), (81, 248536729), (189, 106515741), (567, 35505247)]