205478091

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{250889}}^1$

素因数の和:250915

約数の個数: 24

約数和(自身を含む): 365295840

約数和(自身を除く): 159817749

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 250889, 752667, 1756223, 2258001, 3261557, 5268669, 9784671, 15806007, 22830899, 29354013, 68492697, 205478091]

約数ペア:

[(1, 205478091), (3, 68492697), (7, 29354013), (9, 22830899), (13, 15806007), (21, 9784671), (39, 5268669), (63, 3261557), (91, 2258001), (117, 1756223), (273, 752667), (819, 250889)]